The DropZero Lace Barefoot Trainer enhances stability and control from the ground up. A 0mm heel, TYRTac(TM) traction system, and adjustable midfoot straps create a locked-in feel for lifting, balance, and agility. DESIGN: Ultra-lightweight barefoot profile 0mm (flat platform for natural alignment) Knit construction with breathable comfort NEW molded TPU external heel counter for added stability Wide anatomical design for natural fit and power positioning DURABILITY & TRACTION: TYRTAC(TM) rubber for long-lasting grip and durability Additional Details: