The Under Armour Tech HeatGear material ensures that you maintain a consistently comfortable body feel, as it effectively wicks moisture away from your body, keeping you dry and cool. Its breathability is unmatched. Details: Regular fit, not form-fitting and not tapered. Under Armour HeatGear products are designed for use in warm and hot temperatures. UPF 30 provides sun protection of 30. Antibacterial materials help reduce body odor. Weight: approximately 135 g (size M).