Gelindo Hydration Backpack, Half Day Hiking Pack with 2L BPA Free Water Bladder, Lightweight Insulated Compartment…

Amazon.com Price: $29.99 (as of 10/20/2021 11:39 PST- Details)

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✔ULTRA-LIGHT: Only 0.67lb is more suitable for teenagers. Breathing and widened shoulder straps can greatly reduce the sense of weight-bearing when walking.
✔MULTI-STORAGE: 15L capacity with multiple storages is enough to meet the basic requirements of half-day hiking for beginners.