Under armour heatgear armour baselayer tights mens the under armour heatgear armour baselayer tights have been engineered with heatgear fabric offering all of the benefits of ua compression with a 4 way stretch fabrication designed for greater mobility in all directions mens baselayer tights compression fit heatgear fabric upf 30 protection 4 way stretch moisture transport system anti odour technology engineered elastic waistband machine washable carbon medium