The Evoc CC 2L is a very handy, ultralight backpack. It's our minimalist hydration pack solution. FEATURES Air circulation. Air tune system offers a maximum of back ventilation. Backlight clip. Mobile phone pocket. Hydration clip. Hydration system compartment, accommodates hydration systems up to 2L. Key holder. Nutrition compartment. Signal whistle. SPECIFICATION Volume: 2L. Weight: 190g. Dimensions: 20 x 37 x 3cm.