UA Fly Fast 2.0 HeatGear Tights For those who want tight but not skin tight, the UA Fly Fast 2.0 HeatGear Tights ($60) are Under Armour's most lightweight leggings. The Fly Fast fabric and the mesh knee panels allow for increased flexibility and mobility so you're ready for anything. Image Source: underarmour.com UA Fly Fast 2.0 HeatGear Tights $60 from underarmour.com Buy Now