Product Description ULLIX-Large (Size 15+)LIVersatile high-density rubber platforms work to stretch and strengthen the Achilles tendon and calf musclesLIDeveloping muscle resiliency in the area is vital to explosive leg powerLIJump Soles will blast your lower legs like nothing else you ve ever triedLIAfter training with Jump Soles - you ll run faster, jump higher and change direction quickerLISimple Velcro® strap onLIAlso includes detailed training manual and video/UL
