The wool-blend shell is woven with 20% nylon for strength and insulates dry or wet

The highly-durable 75% cotton/25% polyester fabric boasts a lofted interior for heat-trapping warmth and a smooth exterior surface that resists pilling

and only improves with age

The notched lapels and pointed hem are a nod to the clothing worn by Western pioneers

filson man denim jac shirt fmcps0197w1391 002 FilsonTinClothFieldJacket The wool-blend shell is wovenLong trusted for work in the West, denim brings weight and structure to this insulated layer. The heavy duty 15 oz. shell blocks cold wind. The body is lined with high pile fleece for warmth, while the sleeves are insulated with quilted polyester to reduce bulk and layer cleanly. Cut like a shirt, it's a straightforward layer that stays warm without feeling oversized. Side seam slits at the hem improve mobility when bending, reaching, or sitting.