Patagonia Midweight Capilene Baselayer Polartec Long Sleeve Shirt Size XL Black Patagonia's Capilene® Midweight fabric hits the sweet spot of weight, breathability and wicking that is the essence of versatility worn alone or with additional layers. It keeps you dry and comfortable when worn during high-exertion activities in cool-to-moderate temperatures and insulates beneath a shell in cold weather. Constructed with a Polartec® Power Grid™ fabric, it has a smooth face for easy layering and a brushed-back grid that aids in wicking as well as warmth. Polartec® Power Grid™ fabric has a smooth face for easy layering; fabric’s brushed-grid pattern next to skin provides superior warmth, breathability and moisture-wicking performance with Polygiene® permanent odor control Rib-knit crew at collar with internal neck tape for comfort; locker loop for hang-drying Offset shoulder seams eliminate chafing under pack straps Full underarm gusset for range of motion and chafe-free comfort Elastic thumb loops for secure hand coverage Flatlock seams to minimize chafing; drop tail for more coverage Approximate measurments laid flat: Armpit to armpit: 25" Length: 29" Excellent pre owned condition - no flaws noted - the interior tag was cut out but I found the materials online Style profile: base layer polartec long sleeve patagonia outdoor hiking camping fall winter ski snowboard