Technical comfort at its finest. This fleece-backed crew provides the warmth and softness you want and the performance qualities you need. GridLiner™ Fabric Sweat-wicking and quick-drying GridLiner™ fabric has a warm, grid-textured fleece on the inside and a structured feel on the outside sweat-wicking quick-drying grid-textured fleece on the inside structured feel on the outside Features Designed for: On the Move Anti-stink technology: No-Stink Zinc (zinc pyrithion) stops the growth of odour-causing bacteria on the fabric Storage: Discreet zippered pocket holds a key or cash Mobility: Underarm gusset for greater mobility Side zip: Side zip for added mobility Fit: Classic fit