Jack"s Zip Tight Wrist Wraps are found in gyms across the county because they give the forearm support and wrist strength that is needed for bench press work, heavy weights, power lifting, weight lifting, crossfit, body building, boxing, kettle bell work, punching bag workouts and deadlifts. Wearing these wrist wraps will help you avoid serious injury during weight lifting. They are also called strength wraps because of the extra strength they give your forearms and wrists. Made of durable heavy duty, cotton elastic weave material, which means it is breathable fabric so there is no heat retention. The secure, comfortable custom fit also gives good soft tissue support. The premium quality 2" extra wide Velcro strap is fully adjustable so you control your own degree of compression. Thumb loop keeps wraps in place. Excellent equipment for boxing workouts, protects the bones and tendons of your and wrists. For both professionals and amateurs. We give a Lifetime no-nonsense replacement warranty. We also include a Free digital video and E-Book with each purchase.