Under armour mantra short sleeve topunder armours mantra short sleeve top is the ideal training partner the inclusion of a 4 way stretch fabric allows you to have an uninhibited 360 range of motion plus its very light at only 170g the inclusion of under armours charged cotton gives you unparalleled performance with the comfort of cotton next to your skin this top will dry extremely quickly when youre putting yourself through a hard session featuresloose full cut for complete comfort4