Double-Brushed Heavy Flannel (300–420 GSM)
100% yarn-dyed combed cotton woven in authentic buffalo checks, houndstooth, and tartans, brushed on both faces for maximum softness and thermal air retention.
Transitional Outerwear, Heavy Flannel & Hybrid Shackets · Bangladesh
Custom Shirt Jackets / Overshirts Manufacturer in Bangladesh
SM Global Apparel is a premier export-oriented custom shirt jackets and overshirts manufacturer in Bangladesh, crafting versatile shackets, heavyweight flannel workwear overshirts, wool-blend CPO jackets, quilted insulated shirting, and chunky corduroy utility tops. We specialize in 280 to 480 GSM heavy woven twills, duck canvas, double-brushed cotton plaids, warm Sherpa and diamond-quilted linings, heavy snap buttons, reinforced twin-needle seams, and full private-label OEM export manufacturing.
MOQ (2 Flexible Options)300 Pcs by export-quality stock heavy shirting/twill fabrics and 2,000 Pcs by custom milled/dyed fabric for each color and style.
Sampling Lead Time10–15 DAYS
Proto & Fit Sampling
Proto & Fit Sampling
Production Lead Time15–30 DAYS
At MOQ, after PP approval
At MOQ, after PP approval
SM GLOBAL APPAREL
About Our Shirt Jacket & Overshirt Manufacturing
The Ultimate Hybrid Outerwear: Rugged Durability Meets Tailored Comfort
Shirt jackets—affectionately known across global retail as 'shackets'—bridge the gap between crisp woven shirts and protective outerwear jackets. Engineered to be worn over tees, knitwear, or hoodies, overshirts demand substantial heavyweight fabrics, structured collar stands, ergonomic handwarmer pockets, and durable flat-felled seam construction. At SM Global Apparel, we merge heavy-duty workwear sewing lines with sophisticated garment laundering to produce premium shackets for leading international menswear and womenswear collections.
✓ Heavyweight 280–480 GSM cotton canvas, double-brushed flannel & wool blends
✓ Diamond-quilted polyfill batting, high-pile Sherpa fleece & satin lining options
✓ Dual gusseted chest flap pockets with pencil stalls & welted side handwarmers
✓ Heavy metal snap buttons, melamine shanks & two-way VISLON® front zippers
01Tech pack analysis
02Fit & proto sampling
03Precision bulk sewing
04AQL 2.5 final inspection
Outer Textiles & Thermal Linings
Curated Fabrics for Custom Shirt Jackets & Overshirts
From rugged chore canvas to double-brushed flannel plaids and insulated technical shells, we source laboratory-tested textiles engineered for durability and warmth.
Rugged Cotton Duck Canvas & Twill (320–480 GSM)
High-density ring-spun cotton canvas built for utility workwear shackets, featuring high tear resistance and garment-enzyme softened handfeel.
Chunky 8-Wale & 12-Wale Corduroy (290–360 GSM)
Lush, ridged cotton corduroy delivering rich vintage texture, subtle warmth, and distinct tactile appeal for urban casual overshirts.
Wool-Blend Melton & CPO Twill (380–500 GSM)
Dense wool-polyester blend offering superior insulation, natural wind resistance, and a structured silhouette reminiscent of classic naval CPO shirts.
High-Pile Sherpa Fleece & Quilted Linings
Bonded plush Sherpa fleece interiors or diamond-quilted polyester taffeta lined with 60–100 GSM thermal wadding for sub-zero winter warmth.
Technical Matte Taslan & Ripstop (C0 DWR)
Water-resistant, windproof nylon shell fabric engineered for modern minimalist city shackets with breathable polyurethane backing and clean aesthetic.
Hardware & Functional Trims
Workwear Hardware, Pocket Formats & Private-Label Branding
A high-performance shirt jacket is distinguished by robust closures, insulated linings, and branded accents. SM Global Apparel configures every trim detail strictly to your tech pack requirements.
All trims, hardware, linings, and packaging are fully customizable based on order quantity, artwork approval, and tech pack specifications.
Outerwear Production Planning
Engineered for Heavy Seam Tenacity & Consistent Pattern Matching
Our dedicated outerwear lines coordinate computerized laser pattern matching for checks, multi-ply cutting, and heavy twin-needle chainstitching.
Flexible MOQs300 pcs stock fabric / 2,000 custom
Fabric Weights280 to 480 GSM heavy shirting
Global ExportDuty-free access to EU, UK, Canada & AU
How We Work
Our Custom Shirt Jackets & Overshirts Production Process
A systematic manufacturing methodology ensuring flawless plaid matching, sturdy snap attachment, and timely international delivery.
Share Your Design
Submit your tech pack, silhouette preferences (flannel, canvas, or quilted), and lining specifications.
Fabric & Lining Sourcing
Source heavy flannels, cotton duck canvas, corduroy, Sherpa fleece, and heavy snap buttons.
Sample Development
Construct proto sample, test collar stand stiffness, verify armhole layering ease, and check pocket depth.
Buyer Approval
Review Pre-Production (PP) sample, check plaid line continuity across chest plackets, and approve handfeel.
Precision CNC Cutting
Computerized multi-ply cutting with laser grid alignment to guarantee exact plaid and stripe matching.
Heavy-Duty Assembly
Twin-needle flat-felled seam sewing, lining insertion, pocket welt attachment, and snap riveting.
Garment Wash & Finish
Enzyme softening wash, gentle steam pressing, snap tensile testing, and thorough thread trimming.
AQL Audit & Dispatch
Comprehensive AQL 2.5 final inspection, 100% metal screening, and protective carton export dispatch.
Quality Focus
Plaid Pattern Alignment, Snap Pull Strength and Seam Tenacity
Shirt jackets and overshirts endure rigorous daily wear as outerwear. Our dedicated quality assurance team enforces international AQL 2.5 standards across every production step—from raw yardage inspection to final packaging.
Inspections include snap button attachment pull-out force testing (ASTM F963 / ensuring >90N retention), seam tensile and burst strength checks (ASTM D5034), pilling resistance on brushed flannels (ASTM D3512), colorfastness to laundering and rubbing (ISO 105), and 100% metal detector needle screening.
✓Snap button retention pull test (>90N force audit)
✓Precision plaid & stripe pattern matching at front placket
✓Twin-needle flat-felled seam burst resistance audit
✓Anti-pilling test on brushed flannel & wool (ASTM D3512)
✓Dimensional stability & torque audit after wash (<3%)
✓100% metal detection & broken needle scan
Why SM Global Apparel
A Trusted Partner for Custom Shirt Jacket & Overshirt Manufacturing
Direct technical communication, modern heavy-outerwear machinery, and dependable export lead times give your brand a decisive market advantage.
Hybrid Garment Expertise
Mastery in merging clean shirt collars and cuffs with heavy outerwear pocketing, fleece linings, and insulated batting.
Plaid Matching Accuracy
Computerized cutting and skilled manual pinning ensure uninterrupted horizontal and vertical lines across plackets and pockets.
Broad Fabric Portfolio
Direct sourcing of 280–480 GSM cotton canvas, double-brushed flannel, wool melton, corduroy, and technical nylon shells.
Flexible 300 Pcs MOQ
Our 300 pcs low-MOQ option using stock export fabrics allows independent labels and niche brands to produce without excessive inventory risk.
Duty-Free Export Savings
Capitalize on Bangladesh's duty-free trade access to the European Union, UK, Canada, and Australia under preferential tariff agreements.
Rigorous AQL 2.5 Standards
In-line and final quality audits ensuring uniform sizing, smooth zipper glide, rock-solid snap buttons, and clean seam finishing.
Product Applications
Custom Shirt Jackets for Contemporary Lifestyle & Outdoor Brands
Tell us your target climate, styling direction, and silhouette so we can engineer the ideal fabric weight, lining, and hardware configuration.
Sherpa-Lined Flannel Shackets
Heavy buffalo-check flannel outer paired with high-pile warm Sherpa fleece lining and snap closures.
Cotton Canvas Chore Overshirts
Rugged 350 GSM cotton duck overshirt with three front patch pockets, straight hem, and shank buttons.
Wool-Blend CPO Shirt Jackets
Substantial 450 GSM wool-poly melton jacket with dual flap pockets and anchor-embossed buttons.
Lightweight Quilted Padded Shackets
Diamond-quilted micro-ripstop shell with 80 GSM thermal batting, snap front, and curved shirt hem.
Chunky Corduroy Utility Overshirts
8-wale wide-ribbed cotton corduroy with side fleece handwarmer pockets and horn buttons.
Modern Technical Urban Overshirts
Water-repellent matte stretch taslan shacket with concealed zipper, bonded chest pockets, and clean lines.
Frequently Asked Questions
Shirt Jackets & Overshirts Manufacturing FAQs
Have a specific question about lining options, plaid matching, or snap buttons? Contact our technical merchandising team.
Inquire About Your Project →What information should I provide for a custom shirt jacket quotation?
Share your tech pack or reference images, silhouette specs (flannel, canvas, wool, or quilted), outer shell fabric composition and weight (280 to 480 GSM), lining type (unlined, Sherpa fleece, or quilted satin), pocket configuration, button/zipper hardware preferences, size ratio, and estimated order quantity. We will provide an itemized FOB quotation and development plan.
What is your minimum order quantity (MOQ) for shirt jackets and overshirts?
Our MOQ is 300 pieces per style/color using export-grade stock heavy shirting and twill fabrics, and 2,000 pieces per style/color for custom-milled textiles, custom yarn-dyed plaid checks, or proprietary Pantone colors.
How do you ensure exact plaid pattern matching across plackets and pockets?
We use computerized marker planning with automated laser grid cutting tables and skilled manual pinning during sewing to ensure that horizontal and vertical check lines match seamlessly across the center front placket, chest pockets, and yokes.
What lining options are available for shackets?
We offer unlined clean-bound interiors (for transitional spring/fall overshirts), diamond-quilted polyester taffeta with 60–100 GSM thermal wadding, plush high-pile Sherpa fleece, and bonded polar fleece linings for heavy winter warmth.
Can you manufacture both button-front and zippered overshirts?
Yes, we can equip shirt jackets with heavy-duty metal spring snaps, melamine shank buttons, horn/corozo buttons, or two-way heavy YKK metal / VISLON® front zippers with concealed snap storm plackets.
How long do sample development and bulk production take?
Proto and fit sampling takes 10–15 days. Bulk production takes approximately 15–30 days after Pre-Production (PP) sample approval, depending on styling complexity and order volume.
Do you handle worldwide shipping and export documentation?
Yes, we manage global export logistics via ocean freight from Chattogram Port or air cargo from Dhaka Airport, handling commercial invoices, packing lists, Bills of Lading, and GSP origin certificates for duty-free access.
Custom Shirt Jackets & Overshirts Manufacturing in Bangladesh for Global Apparel Brands
Shirt jackets and overshirts—often referred to in the global fashion industry as 'shackets'—have firmly established themselves as one of the fastest-growing categories in modern menswear, streetwear, and contemporary outdoor apparel. Combining the sharp sartorial collar, cuff, and placket lines of a tailored woven shirt with the protective weight, warm linings, and functional pockets of an outerwear jacket, overshirts represent the quintessential transitional layering garment for autumn, winter, and spring.
Partnering with a specialized custom shirt jackets manufacturer in Bangladesh gives international fashion labels, workwear retailers, and outdoor lifestyle brands direct access to heavy woven textile engineering, skilled pattern cutting, and competitive FOB manufacturing costs. At SM Global Apparel, we operate specialized woven outerwear production facilities in Dhaka, Bangladesh, producing premium heavy flannels, cotton canvas chore shackets, wool-blend CPO jackets, and insulated quilted overshirts built to your exact brand tech packs.
Heavyweight Textiles: Canvas, Double-Brushed Flannels & Wool Blends
The foundation of an exceptional shirt jacket is its outer shell textile. Unlike standard lightweight shirting fabrics (120–180 GSM), overshirts require substantial heavy-duty fabrics ranging from 280 to 480 GSM that drape with authority and resist wind penetration. We source premium 100% yarn-dyed combed cotton flannels brushed thoroughly on both faces to create a soft, warm loft. Our weaving partners can execute custom plaid patterns including bold buffalo checks, classic tartans, and subtle shadow plaids.
For rugged chore overshirts and utility jackets, we supply ring-spun cotton duck canvas (320–420 GSM) and heavy cotton twills that develop an authentic vintage patina with wear. For cold-weather heritage lines, we offer wool-polyester melton blends (380–500 GSM) providing substantial thermal insulation. For modern streetwear and urban commute collections, we engineer sleek technical overshirts using matte taslan nylon and lightweight polyester ripstops treated with fluorine-free C0 durable water-repellent (DWR) coatings.
Thermal Linings: Sherpa Fleece, Quilted Polyfill & Clean Binding
A critical consideration in shacket manufacturing is internal thermal architecture. Depending on your target season and retail price tier, we engineer three distinct interior constructions. For transitional spring and early fall overshirts, we produce unlined garments featuring clean internal bias binding or flat-felled seam allowances that deliver a clean, unencumbered interior.
For late autumn and winter collections, we construct insulated shackets featuring diamond-quilted polyester taffeta linings filled with 60 to 100 GSM thermal wadding. This construction traps body heat while allowing the garment to slide smoothly over knit sweaters without friction. For maximum cozy warmth, we line collars and torsos with high-pile Sherpa fleece or plush microfleece, paired with smooth nylon-lined sleeves for effortless on-and-off movement.
Plaid Pattern Matching, Pocket Formats & Heavy Hardware
Executing high-end shirt jackets requires meticulous attention to visual symmetry and hardware durability. When manufacturing plaid or striped overshirts, our computerized marker-making systems and laser-guided cutting tables align pattern lines so that horizontal and vertical stripes flow uninterrupted across the front placket, chest pocket flaps, side seams, and back yokes.
We reinforce high-stress areas with twin-needle or triple-needle chainstitching, especially along the armholes, side seams, and pocket mouths. For hardware, we supply heavy-gauge metal spring snaps tested to withstand >90N pull-off force, authentic melamine workwear buttons, or heavy-duty two-way YKK VISLON® front zippers. Ergonomic side welt handwarmer pockets lined with brushed tricot ensure that hands stay warm in brisk weather.
Quality Assurance, AQL 2.5 Standards & Duty-Free Export Advantages
Every lot of shirt jackets and overshirts is subjected to comprehensive in-line and final quality auditing under international AQL 2.5 standards. Our in-house testing laboratory evaluates seam burst tenacity (ASTM D5034), pilling resistance on brushed flannels (ASTM D3512), snap retention endurance, and dimensional stability after laundry cycles (shrinkage <3%). Every completed garment is passed through 100% metal detector needle screening before export packing.
Manufacturing in Bangladesh offers international buyers substantial financial advantages through preferential duty-free tariff agreements under GSP schemes to the European Union, the United Kingdom, Canada, and Australia. Combined with SM Global Apparel’s flexible 300-piece low MOQ and fast 15–30 day bulk turnaround, we provide an agile, highly profitable manufacturing partnership. Contact our merchandising team today with your tech pack to initiate sample development.
Explore More
Related Outerwear & Shirting Categories
Expand your apparel collection with complementary outerwear manufacturing solutions from SM Global Apparel.
Shirt Jacket Applications
Sherpa-Lined Flannels
Heavy buffalo-plaid flannel outer with high-pile plush Sherpa lining.
Canvas Chore Overshirts
Rugged 350 GSM cotton duck with triple patch pockets and metal shanks.
Wool-Blend CPO Jackets
Substantial 450 GSM wool melton with naval styling and anchor buttons.
Quilted Insulated Shackets
Diamond-quilted ripstop shell with 80 GSM thermal batting and curved hem.
Corduroy Utility Overshirts
8-wale wide-ridge cotton corduroy with side fleece handwarmer pockets.
Technical Urban Overshirts
Water-repellent matte taslan with hidden zipper and bonded chest pockets.
Frequently Asked Questions
What is your MOQ for shirt jackets & overshirts?
Our MOQ is 300 pieces per style/color using export-grade stock heavy fabrics, and 2,000 pieces per style/color for custom-milled textiles or custom yarn-dyed plaid checks.
How do you ensure exact plaid pattern matching?
We use automated laser grid cutting and manual pinning during sewing to ensure vertical and horizontal checks match seamlessly across plackets and pockets.
What linings do you provide for shackets?
We offer unlined clean-bound interiors, diamond-quilted poly-taffeta with 60–100 GSM batting, and plush high-pile Sherpa fleece linings.
Can you create custom fit samples before bulk?
Yes, we make proto and fit samples (10–15 days) to verify collar stand, layering ease, and pocket placement before bulk cutting.
What closures and buttons can you supply?
We supply heavy-duty metal spring snaps, melamine workwear buttons, horn/corozo buttons, and two-way heavy YKK metal/VISLON® zippers.
What fabric weights do you work with?
We specialize in heavyweight woven textiles ranging from 280 to 480 GSM, including cotton duck, double-brushed flannel, wool melton, and corduroy.
How long does bulk shacket production take?
Bulk production takes 15–30 days after Pre-Production (PP) sample approval, depending on styling complexity and order volume.
Do you handle international export and shipping?
Yes, we ship globally via ocean freight from Chattogram Port or air cargo from Dhaka Airport, handling all export documentation.
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Start Your Custom Shirt Jackets Project
Send your tech pack, design references and estimated quantity to discuss development, fabric options and quotation.