One the best way to add resistance to your bodyweight training is by using weighted vests. Many athletes from a variety of sports including mixed martial arts, boxing, athletics, and rugby use weighted vest to take their training to the next level. There are plenty of weighted vests out there but if you want one that will last you a long time, consider MiR weighted vests. Mir vests are typically compact and don't restrict movement. The MiR Air Flow can hold up to 50 pounds and is designed to maximize air flow so your body cools better during workouts. It has adjustable shoulder straps and Velcro belt to make sure the weight stays tight to your body and out of your way. All MiR vests are made with high quality materials and backed by a lifetime warranty.