Product details:

DESIGN & FIT:Great for added weight during cardio or bodyweight strength training Balanced weight distribution for comfort and customized weight resistance Shoulder support strap Comfort and balanced weight distribution Zippered pocket on front chest flap Holds most cellphones, keys, or wallet Padded waist strap provides a secure and comfortable fit 4 front pouches and 4 back pouches with approximately 2.45 lb. weights each.