Crux Thermal Control Kit Marque_Kerma easily adjusts to conditions and

easily adjusts to conditions and stays in the flow

soft strap lining for comfort

a best-in-class lens technology

a timeless print of feminine flowers on a neutral background

Crux Thermal Control Kit Marque_Kerma easily adjusts to conditions andKeep your water flowing, even in the most extreme conditions. The new Crux Thermal Control Kit takes insulation to the next level to protect your tube and valve from freezing. Compatible with bladders equipped with the Quick Link system, this cold weather accessory lets you use your hydration pack in any season, even on your most extreme winter adventures. Insulated tube: prevents your drinks from freezing and ensures a constant flow in cold weather