evo.com | Patagonia Long Underwear Tops > Cold snaps don't stand a chance against the Patagonia Capilene Midweight Crew Top, a baselayer built with hollow-core yarns and a diamond-grid back that trap warmth without trapping funk, thanks to built-in HeiQ(R) Pure odor control. Flat-seam construction keeps things comfortable against sensitive skin, making it an easy first layer under fleece or a shell on blustery days. Machine Wash Internal Neck Tape Capilene(R) Fabric 100% recycled polyester fabric that has a high warmth-to-weight ratio with improved sweat-wicking performance, stretch, dry time, softness and durability. Slim Fit Locker Loop | Kid's Patagonia Capilene Midweight Crew Top Toddlers' 2027 - 4T Blue | Polyester