If you're serious about your training sessions, choose the Under Armour ColdGear Fitted Long-Sleeve Mock for Men for total mobility and athletic comfort. The dual-layer fabric features a brushed interior that's soft and an exterior that's smooth and quick to dry. A stretch-mesh back and underarm panels add higher levels of ventilation where you need it most. Moisture-wicking performance draws moisture to the fabric's surface for fast evaporation. 4-way stretch construction adds overall comfort and fast-moving mobility. Anti-odor technology keeps you feeling fresh as your stride carries you into the distance. The Under Armour ColdGear Fitted athletic shirt features a mock neck for added warmth and coverage, and its ergonomic, chafe-free design adds easy-wearing comfort. Dropped shaped hem. Made of 87% polyester/13% elastane. Machine wash. Imported. Manufacturer style #: 1366066. Made of 87% polyester/13% elastane Dual-layered fabric smooth exterior with a soft interior Mesh back and underarm panels add ventilation Moisture-wicking, quick-drying performance 4-way stretch adds mobility Anti-odor technology Ergonomic, chafe-free Dropped shaped hem Mock neck