World's first unisex patented gravity sportswear vest Breathable, odor resistant, tough CORDURA® fabric Open sides, elastic cords for cool comfort performance Thinnest adjustable weighted vest for full range of motion Reflective safety stripes and side lacing for highly-adjustable fit CHECK SIZE CHART - sized for best fit WEIGHT CAPACITY: SM 15 LBS, MD 20 LBS, LG 20 LBS, XL 25 LBS Hyper Vest ELITE is the sleek 2.0 to our original comfortable stretch, adjustable and form-fitting Hyper Vest PRO gravity sportswear vests. The innovative design features a unique fabric control system that hugs the body for an extremely comfortable fit, but does not restrict range of motion. The heavy-duty CORDURA® material is ready to withstand your toughest workouts.WEIGHT CAPACITY: SMALL 15 LBS, M 20 LBS, L 20 LBS, XL 25 LBSHyper Vest® patented design stretches only in the horizontal plane and not-at-all in the vertical plane, allowing for full chest expansion while keeping the weights in place even while full speed running with a weighted vest.The breathable, odor-resistant fabric and generous open side panels provide superior ventilation, and reflective striping provides added safety during night runs. Its highly adjustable reflective orange side lacing and slim profile allow for exceptional fit and comfort. To determine the best size for your height and weight please view the Sizing Chart on the tab above.The 1/4" thick high-density steel weights make this weighted vest barely detectable under a shirt. The Hyper Vest ELITE weighted vest is loaded to a total weight of 10 lbs(vest shell and weights combined) and depending on size comes with an additional 5 or 10 lbs of full adjustable high-density steel weights. Weight count on ELITE: SM=66 weights, MD=66 weights, LG=65 weights, XL=64 weights. Weight vest fabric adds to overall total weight. Some pockets may be empty upon receipt. If loaded more weight simply fill empty pockets and then begin to double pockets as you add more weight.Each individual weight bar weighs 2.25oz and can be easily removed or added to the vest's custom-stitched pockets. Check out this instructional video Each pocket can hold two weights and weights can be arranged across pockets to change weight distribution.The Hyper Vest ELITE is the best weight vest on the market for sports performance training, tactical training for fire, police, and military, and general fitness, strength training, and rehabilitation. For more info check out our FAQ Page.   A note for California residents: CALIFORNIA PROPOSITION 65 WARNING This product and/or packaging contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. For questions about Prop 65 visit http://oehha.ca.gov/prop65.html