ADD A LITTLE EXTRA TO YOUR WORKOUT WITH THE NIKE 2.5LB ANKLE WEIGHTS SET.Get a little more out of each workout with Nikes ankle weights. An anatomically-correct design makes the fit more comfortable around the ankle and the hook and loop closure makes sure to hold your weights in place. FEATURESHook and loop closureSweat-wicking liningTECH SPECSConstruction: Iron, thermoplastic, rubber, and polyester