PREMIUM MATERIAL: This strength training weight vest is built to last with durable neoprene rubber fabric, double-stitching, and weighted with iron sand for extreme durability through hundreds of different workouts DUAL STORAGE POCKETS: Enjoy your workout without the fear of losing your valuables! Includes detachable front zipper pockets to keep your cell phone, car keys, and other items safe and secure, plus a rear elastic-mesh pocket for extra convenience COMFORTABLE MATERIAL: Enjoy your workout in complete comfort with maximum mobility. With cushioned shoulder straps and gentle, non-chafing fabrics, you can go the extra mile in your personal fitness journey with ease and comfort ADJUSTABLE FEATURES: Adjustable elastic straps and reflective stripes help this vest go any place at any time. For circuit training, weightlifting, cardio, strength training, weight loss, and beyond, this vest will take your workout to the next level EVEN WEIGHT DISTRIBUTION: Evenly filled with iron sand, this well-balanced vest decreases injury risk while working out