The cuffs and collar are wool-blend rib knit

this jac-shirt’s wool provides natural comfort in a wider range of weather conditions than any other fabric

While some situations call for a weather-resistant

Shoulder and back panels are lined with breathable mesh and foam for warm-weather comfort

All of this is stitched together with heavy-duty

filson man frontier graphic t shirt fmtee0081k0039 1081 Size:XL The cuffs and collar areOur Frontier Graphic T Shirt is made with sturdy 6. 5 oz. cotton jersey with a dry hand feel and a bit of texture. The durable rib knit collar retains its shape wash after wash. The custom graphics are unique and designed in house.