I use these light weights in a pool for added challenge in rehabilitating a total hip replacement. Our of the pool they feel like nothing, but while walking in the pool, they’re currently the perfect weight. I can wear them both on the surgical side for more of a challenge, or I can wear one one each leg for balance. They’re great for traction, which means taking one or both on the affected leg, hanging in a deeper corner of the pool using your arms on the edge of the pool or a ladder, and lettiSee full review