Under Armour Ignite Sandal - Men's Synthetic-and-mesh HeatGear&reg; lined synthetic strap offers custom fit comfort Fast-drying Eva foam strap for extreme comfort in the sweltering heat 2-layer 4D Foam&reg; footbed design contours to the shape of your foot, for a more secure fit Lightweight EVA outsole with durable traction pods, giving you extra grip and total comfort