Under armour ua tech 14 zip topthis mens under armour tech 14 zip top is made of uas tech fabric which has a softer more natural feel for unrivalled comfort it feels like your favourite gym t shirt but its built for layering and will quickly become your new favourite over a t shirt under a jacket all year round this long sleeve top also has uas moisture transport system which effectively wicks sweat away from the body and anti odour technology to prevent the growth of odour causing