Amazon.com | Zoot Ultra Tri Backpack - Triathlon Transition 。Like new, very good condition. #triatholon — Your perfect multifunction triathlon backpack is here. The NEW ULTRA Tri Backpack is the ideal bag for triathletes in need of a functional bag. The main compartment unfolds with dual zippers for easy access and the ability to organize your gear. Also included is a removable RF welded removable roll-top wetsuit/dirty laundry wet sack. Lightweight durable nylon fabric ZOOT EVA molded helmet protective compartment RF welded removable roll-top wetsuit/dirty laundry wetsack Rear laptop compartment that fits up to a 15\" laptop Luggage handle pass through for easy connection to roller bag Exterior water bottle pocket Exterior mesh storage pocket Business card/ID Holder Accessory loops on shoulder straps Adjustable sternum strap with whistle Key ring clip Fleece lined top pocket for sunglasses or phone Mesh interior storage pocket for organization Reflective detailing for visibility in low light conditions Ergonomically designed shoulder straps ensure maximum comfort Padded harness with load carry adjustment straps Breathable molded ergonomic back panel maximizes comfort Compression Straps 25 LITERS