
A true jack-of-all-trades, our Patagonia Men's Iron Forge Fleece-Lined Jac-Shirt is designed to keep you warm and protected on cold jobsites. Made from our hardworking yet easy-wearing 12.9-oz 55% industrial hemp/27% recycled polyester/18% organic cotton canvas that needs no break-in. Insulation Details. Torso is lined with toasty 100% recycled polyester microfleece, and the sleeves are insulated with 100-g Thermogreen 100% recycled polyester.
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The Patagonia Men's Iron Forge Fleece-Lined Jac-Shirt in Shelter Brown is a serious work-and-outdoor layer built to perform on cold jobsites and in the field across an extended season. Shelter Brown is a deep, grounded neutral that works across work, outdoor, and casual contexts without calling undue attention to itself.
The outer shell is constructed from a 12.9-oz canvas made from 55% industrial hemp, 27% recycled polyester, and 18% organic cotton, delivering abrasion resistance and durability from the first day of wear with no break-in period required. The torso lining uses 100% recycled polyester microfleece, providing real warmth at the core where it matters most during sedentary cold-weather tasks like site supervision, equipment operation, or early-morning outdoor work.
The jac-shirt silhouette occupies the versatile territory between a work shirt and an insulated jacket, functioning as a standalone layer in mild conditions and a warm mid-layer when temperatures drop further. Patagonia's Fair Trade Certified sewing program backs every unit, and the material composition reflects genuine commitments to industrial hemp cultivation, organic cotton fiber, and recycled synthetic insulation.
This is not a piece that markets sustainability as a feature while delivering a conventional product -- the material choices represent real differences in sourcing and manufacturing practice. For corporate swag and branded gifting programs, SWAGHQ offers custom embroidery on the Iron Forge Jac-Shirt starting at a minimum of 6 pieces with a 10-14 business day turnaround.
Shelter Brown is a versatile, crowd-pleasing colorway that works for technology companies, environmental organizations, outdoor education programs, and field-facing professional teams. Your organization's logo will appear on a piece recipients wear through full work seasons.
| Brand | Patagonia |
| Style | Patagonia Men's Shelter Brown Iron Forge Fleece Lined Jac-Shirt |
| Style# | 53405-SHBN |
| Color | Shelter Brown |
| Special Features | True jack-of-all-trades; Protected on cold jobsites; Insulation Details; Closure Details |