The Patagonia Men's Cap Cool Lightweight T-Shirt is Patagonia's lightest-weight technical top . It wicks moisture and dries fast for high-output days in temperatures ranging from cool to hot. These tops are made with 52-100% recycled polyester and HeiQ® Fresh durable odor control. Fair Trade Certified™ sewn. Designed for movement and high exertion, Capilene® Cool Lightweight is Patagonia's lightest, fastest-drying, best wicking technical fabric for hot days. It moves moisture quickly and breathes exceptionally well to keep you cool and dry across the full range of active, high-output agendas. Made of 100% recycled polyester double knit (heathers have 52% recycled content), Capilene Cool Lightweight has a smooth outer face that glides easily in any layering system; it feels weightless, airy and free on the skin and with HeiQ® Fresh durable odor control, you won’t stink up the celebratory beerfest at the end of your long run. Details include a classic go-anywhere crewneck design, set-in sleeves for chafe-free comfort and total shoulder mobility, a slight drop-tail hem for a stay-put fit under a harness or hip-belt and a clean, snag-free woven label on the front hem. It’s Fair Trade Certified™ sewn, which means the people who made it earned a premium for their labor. Features and Specifications Set-in sleeves for enhanced movement and fit Fabric dries fast and wicks moisture for ultimate performance Slight drop tail to prevent riding up during movement P-6 woven logo at left hem Classic crewneck design for masculine-specific fit and comfort HeiQ® Fresh durable odor control keeps things fresh Fair Trade Certified™ sewn Weight: 74 grams Materials: Solids: 2.3-oz 100% recycled polyester double knit; Cross-dyes: 2.3-oz 100% polyester (52% recycled) double knit; Both with miDori™ bioSoft for added wicking and softness, and HeiQ® Fresh durable odor control Fabric is certified as bluesign® approved Fair Trade Certified™ sewn Patagonia Men's Cap Cool Lightweight T-Shirt