RELIABLE SERVICE. We offer you reliable after- service. about our products or any problems with your packages, please feel to . BREATHABLE MATERIAL. Soft Nylon allows for comfortable and effective thigh support;. THEY ARE STURDY, COMFY, STRONG AND WELL MADE. for gym cable machines. Exercise training for glutes, hamstrings and butt. For legs extensions, legs curls, and hip abductors. For legs resistance training, increase and agility. - SLIP: Forget about the straps which slip off in the middle of an exercise.attachments will always stay in place, never slide off your leg and you can fully enjoy your worry- workout. WORKOUT LEG STRAP CUFF: Durable strap easily adjusts to fit around any size legs,also fit around ankle.