Turn up the heat in the gym with this powerful Under Armour HeatGear Sleeveless Shirt. Compression fit acts as a second skin to support muscles and provide a close and lean fit. Four-way stretch allows a wider range of movement and accelerates dry time. HeatGear technology pulls perspiration away from your skin and pushes it towards the surface for rapid evaporation. UPF 30+ fabrication protects skin during outdoor activity by blocking harmful Ultraviolet A and Ultraviolet B rays (UVA and UVB). Anti-odor technology repels odor and inhibits bacterial growth to keep you fresh. Signature Moisture Transport System wicks sweat away from the body. Crew neck. Sleeveless silhouette. Brand logo hits at center chest. 100% polyester. Machine wash cold tumble dry low. Imported. Measurements: Length: 30 in Product measurements were taken using size MD.