FEATURES: Lightweight and breathable fabrics that are durable enough to withstand all conditions Adjustable Sternum Strap offers a range of adjustments for a custom fit and increased stability Ventilated harness offers superior breathability with increased airflow Secure Zippered Pocket: Keep essentials or tools safe and easy to access Stow and secure your helmet with the helmet carry feature Clip on light compatible for safe riding in low visibility Reflectivity: For low light safety Tube trap management keeps hydration tube secure and accessible wherever you go TECHNOLOGY: Air Support(TM) Light Back Panel is designed with body mapping technology delivers efficient ventilation without weighting you down SPECS: Hydration Capacity: 50 oz. Pack Weight: 6 oz. Torso Fit Range: 15"-21" Gear Capacity: 1L