Description Take your training to the next level with the minimalist Summit Run Training Pack 12. It features built-in reflectivity, secure pocketing, and FlashDry™ fabrics to help you stay cool and dry. Two retractable water bottle pockets and hydration bladder compatibility help keep you hydrated as you push your limits. Features Water bottles retract quickly with the simple leash system Breathable, cooling fabric FlashDry™ materials offer enhanced moisture management to help keep you comfortable Layered pocketing with a secure-zip pocket for streamlined organization Large back pocket fits jackets and other large items and closes easily without you having to take off the pack Pocket above back hem fits trekking poles to secure them while you’re running Secure-zip phone pocket 360-degree reflectivity Minimalist, easy-to-use, adjustable harness Minimalist whistle included Two custom 500-ml soft flasks included Hydration-bladder compatible Specifications Capacity: 12L Weight: S/XS - (198g), M  - (198g), L/XL - (200g) The North Face Summit Run Training Vest 12