REI Co-op Flash 18 Pack | REI Co-op。Brand: REI Co-op Model: Flash 18 Color: Black Details: Ultralight Versatility: Weighs only 9.5 oz and can be turned inside out to serve as a padded stuff sack for a larger pack. Simple & Secure: Single-handed, quick-pull drawcord closure with a small weather flap to keep your gear protected. Comfortable Carry: Features breathable, stretch-mesh shoulder straps and a removable hipbelt and sternum strap for a custom fit. Hydration Ready: Includes an internal sleeve for a reservoir (up to 2L) and a dedicated hose exit port. Bonus Feature: The lightly padded back panel can be removed and used as a sit pad on the trail. Storage: One exterior zippered side pocket for quick-access items like keys or a phone. Condition: Line new, never used. Dimensions (Approximate): 18\" x 10\" x 8\" Gear Capacity: 18 Liters