evo.com | CamelBak Hydration Packs > The CamelBak Circuit Run Vest 50oz Hydration Pack keeps you comfortable and focused with a female-specific fit that moves with you mile after mile. The included Crux(R) reservoir delivers steady hydration while the handy trekking pole attachment gives you stability exactly when you need it - all in a lightweight, breathable package that lets you concentrate on chasing those personal bests instead of fussing with gear. 3D Vent Mesh Engineered to maximize airflow and comfort throughout your run. Includes Crux 1.5L Reservoir with Quicklink System Recycled N70D Ripstop with C0 DWR Women Specific Fit Secure Phone Pocket | Women's CamelBak Circuit Run Vest 50oz Hydration Pack 2026 - 50oz in Black