Patagonia Men's Capilene Lightweight T-Shirt Color:Navy Blue has an internal key loop

has an internal key loop and doubles as a compact stuff pouch

water resistant and breathable

Driclime interior waistband for added comfort

Zipper guard: keeps the draft tube fabric from getting caught in the zipper

across exposed country and in severe weather

Patagonia Men's Capilene Lightweight T-Shirt Color:Navy Blue has an internal key loopThe Patagonia Men's Capilene Lightweight T Shirt is Patagonia's lightest weight, fastest drying and best wicking polyester baselayer with Polygiene permanent odor control. Pair it with heat, sweat and hardscrabble miles. Capilene Lightweight is Patagonia's lightest weight, fastest drying and best wicking baselayer. The fabrics subtle grid pattern sits lightly and comfortably on the skin; the smooth outer face glides easily in any layering system.