Running 15L Backpack Size:ONE SIZE Sweat-wicking fabric moves moisture away

Sweat-wicking fabric moves moisture away from your skin

no-sew skins combine with a modified Waffle outsole

hollow core hand-wrapped in EVA foam makes it firmer than traditional foam rollers

Designed with body mapping technology to address areas that retain the most heat

Running 15L Backpack Size:ONE SIZE Sweat-wicking fabric moves moisture awayStabilized construction reduces bouncing as you run Ventilated back panel and harness help you stay cool Secure main zip compartment Hydration Pocket Adjustable Chest Straps Hydration tube clip Reflective details for enhanced visibility Side pockets Cinch straps tighten and compress bag