Stormproof Construction: Welded seams and weather-resistant fabric protect gear from rain, mud, and trail spray Crux Reservoir: 100oz capacity delivers 20 percent more water per sip with an ergonomic handle for easy refills Command Center Harness: Quick-access storage for phone, keys, and other ride essentials Air Support Back Panel: Body Mapping Technology provides targeted ventilation for cool, dry comfort Helmet Carry and Overflow Pocket: Secure your helmet and stash extra layers with ease