UltrAspire 2L Bladder 2.0 Bouldering while generous sidecut and modest

while generous sidecut and modest tip rocker encourage make for easy turning in a range of conditions

Slightly Asymmetric

while the Thinsulate™ insulation and waterproof lining keep you comfortable for the ride home

Perfectly balanced with cushioning where you need it

sturdy blade

UltrAspire 2L Bladder 2.0 Bouldering while generous sidecut and modestThis 2L bladder is made from an FDA approved BPA free Polyurethane material. This material allows the reservoir to be flexible and puncture resistant. The UltraRed hose connects disconnects quickly and features a high flow bite valve. The top slider enables easy filling and increased water capacity, and allows the reservoir to be turned inside out for cleaning and drying. RF welds mold the polyurethane together as if it were one piece to prevent any