Filson Short Sleeve Outfitter Pocket T-shirt Size:S it fits inside the top

it fits inside the top pocket of an Allpa 35L or 42L

The bottom panel is padded to protect gear

With color-coded clips and poles that snap together

collar and placket

matte stainless steel buckle & dual loops ensures long life

Filson Short Sleeve Outfitter Pocket T-shirt Size:S it fits inside the topThe Outfitter Pocket T Shirt is a daily essential made with soft 100% cotton. Under a flannel or worn alone in the heat, its next to skin comfort sets it apart. The rib knit collar holds it structure wash after wash. Single chest pocket. Premium Peruvian cotton 5. 2 oz. jersey knit Rib knit collar Single chest pocket 100% cotton