PurAthletics Wrist Weights with Thumb Loop 2 lbs.set is ideal to increase weight resistance to any workout. The soft neoprene thumb loop creates a comforable anchor in keeping the wrist weights close in place to the wrist during vigorous exercise such as running or shadow boxing. Add more resistance to daily workout, walking, jogging, core training, fitness, aerobics, gym and many other exercises, helping increase strength, rehabilitate muscles, improve balance, and assist physical therapy. The Sportneer adjustable ankle weights made of neoprene exterior, reinforced stitching and sturdy outer trim, you could feel its softness when hold in your hands. The Sportneer adjustable ankle weights made of neoprene exterior, reinforced stitching and sturdy outer trim, you could feel its softness when hold in your hands.