MotivMfg
American Sack Jacket - Fox Brothers® Grey Chalk Stripe Herringbone Worsted Flannel
American Sack Jacket - Fox Brothers® Grey Chalk Stripe Herringbone Worsted Flannel
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Description
The American Sack Jacket by MotivMfg x Division Road is designed as a meeting point between tailored formal and dutiful leisure blazers, perfectly balanced in design to be a timeless wardrobe staple. This piece is derived from sack jackets popularized in the United States from the 1920s-50s and re-designed with an anatomically tailored fit that bridges modern and vintage styling with a 2-button front, elongated notch lapel, and center vent. This jacket is made in a limited bolt, medium-weight 13 oz. Grey Chalk Stripe upon Herringbone Twill weave produced at the 200-year-old original Somerset mill by the world-famous Fox Brothers® using the finest 100% British Merino Wool with the signature Worsted Flannel finishing for a suiting grade fabric engineered for the outdoors. Since 1772, Fox Brothers has produced top-tier textiles used in many applications, from Savile Row tailoring to British Military garments. By sourcing the best fibers from around the world and using intensive hand-driven milling and cording processes, they produce fabrics of the highest grade with comfort, density, and durability, all wrapped into one. This incredibly luxurious, flexible, and robust cloth boasts a complex herringbone twill weave using shades of cool grey yarns with a subtle, woven natural grey chalk stripe for a sophisticated aesthetic that reflects its enhanced class. This American Sack Jacket is designed with a soft padded shoulder and dress-to-casual versatility with a Cupro twill half-lined body that provides drape with mobility, along with Bemberg lined sleeves and functional buttoned cuffs for practical refinement. Paying homage to the originals but elevated with tailored sophistication, this jacket has beautifully shaped and utilitarian pocketing like a welt chest pocket, flap front welted pockets, and dual chest interior welt pockets for accompaniments. This piece is packed with superior bespoke and old-world detailing like felled and taped seams, bartack reinforcements throughout, and genuine horn buttons that have a unique matte finish. MotivMfg has re-established a pattern-to-bespoke garment one-roof workshop in Beijing with the ethos, process, techniques, and materials of Savile Row to produce historically informed garments in styles and production methods lost by the West. We are honored to partner with MotivMfg to offer exclusive collaborations for a new and timeless uniform for the Division Road Army.
Specs
- Exclusive to Division Road
- Limited Edition
- Standard Fit
- 13 oz. Fox Brothers® Worsted Flannel Herringbone (UK)
- 100% Fine Merino Worsted Wool
- Cupro Twill Half-lined Body
- Bemberg Lined Sleeves
- Single Breast
- 2-Button Closure
- Notch Lapel
- Buttoned Collar
- Set-in Sleeves
- Single Back Vent
- Welt Chest Pocket
- Flap Welt Lower Pockets
- Interior Welt Chest Pockets
- Functional Buttoned Cuffs
- Matte Horn Buttons
- Interior Leather Locker Loop
- Taped & Felled Seams
- Tailor’s Construction
- Bartack Reinforced
- Handcrafted in Beijing
Sizing
Model Measurements: 6'1" | 170 lbs. | 41" Chest | 32" Waist - Wearing Size 50(L)
MotivMfg runs typical of traditional tailoring, and we suggest sizing to your measured chest (+8-10" per Italian Sizing) or taking your more common Alpha size. MotivMfg is graded in smaller increments—if between sizes, you can size these garments depending on primary layering intention and style preferences.
All of our MotivMfg offerings are exclusive to Division Road, and by default we make standard adjustments to the pattern and body to make the fit relatable. Our Sizing Guide provides garment-specific measurements taken in-house, per Our Method. These measurements are not duplicated across fabric or colorways and are re-measured each production run. Please feel free to Contact Us for additional assistance.
MotivMfg American Sack Jacket - Fox Brothers® Grey Chalk Stripe Herringbone Worsted Flannel

MotivMfg American Sack Jacket - Fox Brothers® Grey Chalk Stripe Herringbone Worsted Flannel
Specs
- Exclusive to Division Road
- Limited Edition
- Standard Fit
- 13 oz. Fox Brothers® Worsted Flannel Herringbone (UK)
- 100% Fine Merino Worsted Wool
- Cupro Twill Half-lined Body
- Bemberg Lined Sleeves
- Single Breast
- 2-Button Closure
- Notch Lapel
- Buttoned Collar
- Set-in Sleeves
- Single Back Vent
- Welt Chest Pocket
- Flap Welt Lower Pockets
- Interior Welt Chest Pockets
- Functional Buttoned Cuffs
- Matte Horn Buttons
- Interior Leather Locker Loop
- Taped & Felled Seams
- Tailor’s Construction
- Bartack Reinforced
- Handcrafted in Beijing
Sizing
Model Measurements: 6'1" | 170 lbs. | 41" Chest | 32" Waist - Wearing Size 50(L)
MotivMfg runs typical of traditional tailoring, and we suggest sizing to your measured chest (+8-10" per Italian Sizing) or taking your more common Alpha size. MotivMfg is graded in smaller increments—if between sizes, you can size these garments depending on primary layering intention and style preferences.
All of our MotivMfg offerings are exclusive to Division Road, and by default we make standard adjustments to the pattern and body to make the fit relatable. Our Sizing Guide provides garment-specific measurements taken in-house, per Our Method. These measurements are not duplicated across fabric or colorways and are re-measured each production run. Please feel free to Contact Us for additional assistance.
Collection: MotivMfg
Created in Beijing by Daniel Gu and Samuel Wei in 2016, MotivMfg seeks to break down the duality between handmade and machine-made clothing. Based in the converted loft of a former 1950's factory, all developments, from sketch to garment, are done within the MotivMfg studio. Using European tailoring methods dating back to the 1920’s, all patterns are hand drafted then implemented with drape and baste fittings on real life models, ensuring the spontaneity of creativity. From working with the most...
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