FIT AND DESIGN: Midweight base layer long sleeve shirt with a performance fit Crew neck 4-way comfort stretch Ergonomic seaming with flatlock stitching TECHNOLOGY: Omni-Wick™ performance technology wicks away moisture and sweat from the body Omni-Heat™ reflective technology circulates body heat to keep you warm all day Antimicrobial treatment protects this product from bacterial growth ADDITIONAL DETAILS: Center Back Length: 29.125 in. Extended sizing center back length: 33.5 in. Uses: Trail, Ski / Snowsports