evo.com | Arc'teryx Day Packs > Weather happens, and the Arc'teryx Granville 25 Backpack is built to handle all of it. This 25-liter pack wraps your gear in N400r-AC^2 nylon ripstop with weathertight construction that keeps rain and snow where they belong (not soaking your laptop). Easy top-entry access, internal dividers, and a light-colored interior mean you can actually find your stuff without unpacking everything, while a hidden pocket under the flap stashes the small essentials you need at a moment's notice. N400r-AC^2 Nylon Ripstop Light, durable, and weather-resistant. Body 400d ripstop recycled nylon w FC0 DWR, 324gsm - 83% Nylon, 17% Thermoplastic Polyurethane Front Pocket for Quick Access Items Taped Seams for Added Weather Protection 49 cm L x 57 cm D | Arc'teryx Granville 25 Backpack 2026 | Nylon/Plastic