The minimalistic BP1 Protect was specifically developed for gravity/race use and reduces the risk of injury in the lower back. It offers room for the BP100 back protector, your most important tools and also the BH150 Bladder (sold seperately). It provides a tailored fit due to the self-adjusting shoulder straps, adjustable back length and elastic chest strap. Depending on the preference, it can be carried underneath or over the jersey. Features: Tailored fit: 5-Position back length adjustment Breathable shoulder straps with hose guide Waist belt can be individually shortened Additional sacrum protection Foldout compartment for BH150 bladder Key compartment 575g