Iron Heart
37-BLK - N1 Deck Jacket - 14oz Black Oiled Whipcord
37-BLK - N1 Deck Jacket - 14oz Black Oiled Whipcord
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Description
The Iron Heart IHM-37-BLK N1 Deck Jacket is an improved, modern version of the old-school military original produced in a 12 oz. heavy-duty Whipcord twill that has been reactive dyed in Black and finished to 14 oz. with a water-resistant, fluorine-free oiled treatment that will patina over time and is lined with a brown Alpaca Wool blend for warmth and luxurious comfort. This winter weather, war-ready piece with new vintage appeal is an elevated reproduction based on the WWII Naval Jacket that debuted on Normandy's beachheads and remained in use by Naval deck and officer personnel for several decades. This Whipcord is fashioned after military-grade fabrics made from hearty cotton in a hard twisted yarn that's woven into a twill to create a corded ribbing effect while adding durability, further enhanced with an eco-conscious oil, creating a water-resistant fabric with a dry waxed feel and vintage hand that will patina with the heavy use this piece is intended to endure. This specialized N1 Deck Jacket features interlining to enhance wind and water resistance and is lined with a long-pile alpaca wool blend in the body, complemented by a quilted satin sleeve lining that provides insulation, functionality, and a finished feel. This improved military original — which will combat the winter cold with considered Iron Heart craftsmanship — boasts Alpaca wool-lined and snapped welt front pockets, an interior snapped pocket, a buttoned and two-way zipper front with above military grade reproduction hardware, Permex snaps, a buttoned throat and adjustable back waist and cuff tabs, interior drawcord adjustable hem, concealed ribbed storm cuffs, and underarm eyelet vents. Over-engineered from the outset, the 37-BLK N1 Deck Jacket delivers a lifetime of durability in an unmistakable design, packed with over-the-top details that strike a perfect balance between reproduction and evolved interpretation. It's a cold-climate staple that's ready to roll with battlefield bravado.
Specs
- Classic Fit
- 14 oz. Heavy Duty Oiled Whipcord Twill
- Reactive Dyed
- Water-resistant Fluorine-free Oil Finish
- 100% Cotton
- 80% Virgin Wool / 20% Alpaca Wool Lined Body
- Quilted Satin Lined Sleeves
- Interlining Between Exterior & Interior
- Zipped Closure w/ Buttoned Storm Placket
- Buttoned Collar Tab
- Set-in Sleeves
- Snapped Welt Front Pockets
- Interior Snapped Vertical Pocket
- Interior Drawcord Adjustable Hem
- Buttoned Tab Adjustable Back Hem
- Concealed Ribbed Knit Storm Cuffs
- Buttoned Tab Adjustable Cuffs
- YKK Nickel Two-way Military Grade Zipper
- Black Military Grade Reproduction Buttons
- Permex Matte Black Snaps
- Interior Locker Loop
- Underarm Eyelets
- Alpaca Lined Pockets
- ZigZag Back Collar Stitching
- Felled Seams
- Single & Double Needle Construction
- Bartack Reinforced
- Made in Japan
Sizing
Model Measurements: 5'10" | 155 lbs. | 39" Chest | 32" Waist - Wearing Size M
Iron Heart Outerwear sizing is graded in small increments, and the 37-BLK generally runs true to Iron Heart sizing. To accommodate layering, consider going one size up from your common Iron Heart size, or the larger size of your range. For a tailored fit or to wear with just a base layer, consider going with your normal or the smaller of your Iron Heart size range.
Our Method of measuring is different than Iron Heart's and we recommend consulting our Sizing Guide when purchasing. We provide garment-specific measurements taken in-house, per Our Method, that are not duplicated across fabric or colorways and are re-measured each production run. Please feel free to Contact Us for additional assistance.
Iron Heart 37-BLK - N1 Deck Jacket - 14oz Black Oiled Whipcord

Iron Heart 37-BLK - N1 Deck Jacket - 14oz Black Oiled Whipcord
Specs
- Classic Fit
- 14 oz. Heavy Duty Oiled Whipcord Twill
- Reactive Dyed
- Water-resistant Fluorine-free Oil Finish
- 100% Cotton
- 80% Virgin Wool / 20% Alpaca Wool Lined Body
- Quilted Satin Lined Sleeves
- Interlining Between Exterior & Interior
- Zipped Closure w/ Buttoned Storm Placket
- Buttoned Collar Tab
- Set-in Sleeves
- Snapped Welt Front Pockets
- Interior Snapped Vertical Pocket
- Interior Drawcord Adjustable Hem
- Buttoned Tab Adjustable Back Hem
- Concealed Ribbed Knit Storm Cuffs
- Buttoned Tab Adjustable Cuffs
- YKK Nickel Two-way Military Grade Zipper
- Black Military Grade Reproduction Buttons
- Permex Matte Black Snaps
- Interior Locker Loop
- Underarm Eyelets
- Alpaca Lined Pockets
- ZigZag Back Collar Stitching
- Felled Seams
- Single & Double Needle Construction
- Bartack Reinforced
- Made in Japan
Sizing
Model Measurements: 5'10" | 155 lbs. | 39" Chest | 32" Waist - Wearing Size M
Iron Heart Outerwear sizing is graded in small increments, and the 37-BLK generally runs true to Iron Heart sizing. To accommodate layering, consider going one size up from your common Iron Heart size, or the larger size of your range. For a tailored fit or to wear with just a base layer, consider going with your normal or the smaller of your Iron Heart size range.
Our Method of measuring is different than Iron Heart's and we recommend consulting our Sizing Guide when purchasing. We provide garment-specific measurements taken in-house, per Our Method, that are not duplicated across fabric or colorways and are re-measured each production run. Please feel free to Contact Us for additional assistance.
Collection: Iron Heart
After 20 years of working in the Japanese garment industry, Shinichi Haraki established Works Inc., a.k.a. Iron Heart, in 2003 as a heavyweight clothing brand initially geared toward Japan’s motorcycling community. Iron Heart creates classic and timeless clothing crafted out of the finest materials and achieves the highest standards by closely working with fabric development, garment manufacturing, and the brand’s cult community. Over the years, Iron Heart has become the definition of bullet-proof garment construction. Staying true to their slogan,...
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