Brand new in box fast free shipping size S/M Cloud/Ruby Color - 100% Nylon double-knit fabric laminated to synthetic rubber Stainless steel ball bearings encased between layers of foam and fabric Contrasting color side cords to help achieve the perfect fit Adjustable shoulder strapsFront zip with contrasting zipper tape & auto-locking slider Spine perforated material to help with thermoregulation Curved hem for unobstructed movement patterns Spot-clean or hand wash/rinse in cold water; hang dry in shade G‑Vest Run weight: S-M is 5 lbs 7 oz