UltrAspire Spry 3.0 Adult Unisex Lightweight Running Race Vest Emerald Blue/Lime, Universal

ERGOFIT - The human body is complex with intricate detail and function. The same attention to detail is present in the design of our packs to enable precise movement, contact, and weight distribution which ensures that there is never any inhibition to the biomechanics of the human body MAX 02 STERNUM - or unrestricted breathing while maintaining a stable pack. Uses shock cord with good stretch for unrestricted breathing but also good rebound on the stretch for a stable ride. Patent Pending FLUID CAPACITY - Compatible with 2 UltraFlask 550ml bottles (not included) and a 1L reservoir (not included) RECOMMENDED USE - Flexible for light and fast ultra races with frequent refueling stops; half marathon to marathon for runners who prefer to carry their own supplies; compatible with optional bottles and reservoirs International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.