The Outdoor Backpack 25L is a lightweight, frameless daypack designed to adapt effortlessly between outdoor gear and camera carry. Built around Peak Design’s modular Packing Tools ecosystem, it lets you customize protection and organization for clothing, food, and trail essentials—or configure it for anything from a single camera and lens to a compact professional kit. Camera Cube Compatible Throw in a Smedium Peak Design Camera Cube (sized specifically to fit the 25L pack) and instantly convert your bag into the most capable adventure photo bag on the planet. Mounting loops inside the bag let you anchor the cube in place, and the huge rear hatch provides total visibility and access. Purpose Built For Capture Attach a Capture Camera Clip and rigidly carry your camera outside your bag, so you never miss a shot. Peak Design Outdoor Backpacks were designed with Capture in mind—dedicated padded/reinforced attachment points create the most secure, comfy camera carry experience of any backpack, ever. FitmentFits 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 hydration sleeve1x external hydration sleeve (center Flex Pocket™)internal sleeve fits up to 16" MacBook ProWeight1.15 kgs (2.54 lbs)