Mir Pro 100Lbs Adjustable Weighted Vest (Priority Mail, 3-4 Business Days!) - (In US) Dual layer design with the top part of 10lbs and bottom of 90lbs for the purpose of both upper and lower body development and faster evaporation and ventilation during the work out. 16 (shoulder width) X 16 (upper chest) X 13 (lower chest) with total adjustable length. Double padding and lining throughout body and shoulder. 100 Lbs. Total, Increment 3Lbs. Two Velcro belts included. All upgradeable individual packets can hold up to 120lbs.