Royal Robbins Men's Coolmax Extreme Expedition S/s Shirt

We'd call it the Bionic Shirt if we could. We had the technology, so we made CoolMax¨ Ripstop smarter, cooler, stronger than cotton. This light, breathable 2.9-oz. polyester mocks wrinkles and yawns in the face of punctures, tears and abrasions. Underarm