UltrAspire 1L Bladder 2.0 declination screw With equal parts turn and

With equal parts turn and tour in the design

Out of the tracks

Drawing from extensive experience designing climbing crampons

Great for cold weather running in the rain

UltrAspire 1L Bladder 2.0 declination screw With equal parts turn andThis 1L 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