Designed for speed and simplicity, The Nitron 25 from Rab is a lightweight, high-performance pack built for fast, technical day hikes and minimalist trail adventures. Featuring a comfortable vest-style harness and a flexible, body-hugging back system, it provides a stable, secure fit that moves with you over challenging terrain. Its modern, streamlined design and on-the-go pocket access ensure you stay light, agile, and fully equipped—without ever slowing down. Nitron 25L Day Pack Features Secure, bounce-free fit with a form-hugging vest-style harness EVA foam back panel offers cushioned comfort and flexible support Stretch chest straps keep the pack stable at speed while expanding for easier breathing Top tensioners offer added comfort when carrying larger volumes Made from durable 100D ROBIC® nylon ripstop—lightweight yet tough enough for rugged terrain Quick-access zip entry, top pocket and large front mesh pocket for grabbing gear on the move Multiple pole storage options: use traditional attachment points or stash z-poles in side pockets Harness pockets provide instant access to snacks, gear, or small essentials while on the go Hydration-ready design fits up to a 3L bladder, plus a soft flask pocket on the harness (flask not included) TECH SPECS Weight: 640g Volume: 25L Dimensions: 54 x 25 x 20cm Back length: 48cm