The Peak Design Outdoor Backpack 25L is a lightweight frameless daypack designed to adapt to your ever-changing outdoor needs. With a comfortable harness system, large access points, and customizable organization, it works seamlessly with Peak Design Packing Tools* to protect and organize gear, from cameras to camping essentials. Its Terra Shell™ 210D ripstop nylon fabric is highly weatherproof, 100% recycled, Bluesign approved, and PFAS-free. Features include Ultra Cinch™ roll-top access, a large rear panel for easy packing, Flex Pockets™, and versatile external attachment points. Fair Trade Certified and carbon neutral.You can even attach Peak Design Ultralight Packing Cubes for modular external storage. Fair Trade Certified and 100% carbon neutral. Fits 1 Smedium Camera Cube with room on top for an X-Small Camera Cube. Designed for single-day adventures. Want something bigger? Try the Outdoor Backpack 45L, Ultralight Terra Shell™ 210D ripstop exterior fabric is weatherproof, 100% recycled, and Bluesign approved Internal PU coating - exterior rated at 1500mm hydrostatic PFAS-free water-repellant treatment is a more eco-friendly option to standard DWR Super-durable #8 and #5 weatherproof UltraZips™ with abrasion-resistant UHMWPE thread All cording made from ultra high-strength UHMWPE for extended durablity Blended nylon and UHMWPE stretch mesh pockets Breathable nylon mesh harness and backpanel Bluesign certified nylon webbing Nylon Cord Hook™ and strap adjustment hardware High-strength custom aluminum hardware for harness and strap adjustment Fitment:Fits torso sizes from 17-20" (43-50cm)Fits waist sizes from 24-52" (61-132cm)External DimensionsRoll-top down: 48.5cm x 28cm x 15cm (19.09" x 11.02" x 5.91")Roll-top extended: 66cm x 28cm x 15cm (25.98" x 11.02" x 5.91")Internal DimensionsRoll-top down: 48cm x 27.5cm x 14.5cm (18.90" x 10.83" x 5.71")Roll-top extended: 65.5cm x 27.5cm x 14.5cm (25.79" x 10.83" x 5.71")CapacityRoll-top down: 20LRoll-top extended: 25LPD Camera Cube CapacityFits 1x Smedium Camera Cube, with option to place X-Small Camera Cube above itNot compatible with Small, Medium, or Large sizesHydration/Laptop Carry1x internal hydtration sleeve1x external hydration sleeve (center Flex Pocket™)internal sleeve fits up to 16" MacBook ProWeight1.15 kgs (2.54 lbs)What's in the box? 1x Outdoor Backpack 25L 2x Cord Hook™ Gear Loops 2x Cord Hook™ External Carry Cords 1x Key Tether 2x Sternum straps Note: Hip Belt sold separately