20189134 Filson Men's Washed Short Sleeve Feather Cloth Shirt Filson's Short Sleeve Washed Feather Cloth Shirt is an extra-soft version of the classic, all-natural shirt that's been a warm-weather staple for decades. When the day heats up, there's nothing more comfortable against your skin than lightweight 100% cotton, and with this heavily-prewashed variant, you can enjoy that exceptional comfort from the first day.The tight weave of Filson's 3-oz. Feather Cloth gives it a strength and durability that belies its light weight. Since the mid-1990s Filson's customers have relied on their Feather Cloth shirts for protection and comfort on fishing trips, safaris and other hot-weather adventures.