Prepare to work harder than ever in Under Armour's lightweight, technology-packed trainer. Upper consists of light, supportive foam sandwiched between a durable ripstop and breathable mesh. UA Spine technology in the heel creates an incredibly light, flexible feel without losing support. Footbed is made up of full-length 4D foam for ultimate comfort. Solid rubber outsole provides traction on each side of the shoe. Wt. 8.05 oz.