The adidas adiPure Barefoot Trainer training shoe features a second skin upper with a sock-like fit. Restriction free movement from your heel to your toes allows muscles to move more naturally and strengthens feet and legs. OrthoLite sockliner provides long lasting cushion with antimicrobial protection and moisture management. Flexible, non-marking rubber outsole adds traction and durability. Flex groves in the toes offer increased flexibility. Wt. 5.2 oz.