Finish just as strong as you started with the help of the Under Armour Men's HeatGear Armour Long Sleeve Compression Shirt. The compression fit and stretchy fabric supports and stabilizes your muscles to keep them feeling fresh during your workout. Lightweight HeatGear fabric uses UA's Moisture Transport System to move sweat away from your skin and dry quickly so you stay cool and dry, and it's extremely stretchy for unrestricted mobility and shape retention. Anti odor technology keeps nasty smells at bay by inhibiting the growth of odor causing microbes. UPF 30 sun protection shields your skin from harsh UV rays when you're training in the middle of the day, while reflective logos help you stay visible when night falls.