3D Ventilated Mesh Harness: Lightweight and breathable with added cargo. Dual Adjustable Sternum Straps: Offers a range of adjustments for a custom fit and increased stability. Secure Phone Pocket: Keep essentials safe and easy to access. Stretch Overflow Pocket: Quickly stash or shed an extra layer. Integrated Tool Organization: Keep your CO2 cartridges, patch kits and more right where you can find them.