do-anything pants with a legacy of hard work in their DNA

air circulation and breathability

Button-secure front and adjustable cuffs

Detachable 2”-wide cotton webbing shoulder strap

Carried cross-body

filson man lined mackinaw wool jac shirt fmosh0004w0253 425 Size:XS do-anything pants with a legacyAs much a jacket as it is a heavy shirt, this updated Mackinaw Wool Jac Shirt is warm, weather resistant, and highly breathable. Our original Jac Shirt, introduced nearly 50 years ago, has served as a hybrid heavy shirt light jacket. Its earned the enviable reputation for being the most versatile garment in a sportsmans tool kit. We've re imagined that iconic classic, creating our beefiest jac shirt with an entirely new level of warmth and protection.