As a passionate athlete seeking new outdoor challenges, you deserve a companion that matches your adventures. Whether it's a ski touring outing in winter, a family hike in summer, an alpine ascent to the highest peaks, an ultra trail to push your limits, or a trek to recharge, you need a robust and reliable backpack to accompany you. The Oxsitis Adventure 40 backpack is made for you! This multisport backpack will surprise you with its unmatched stability and lightness for a volume of this size. Designed to be comprehensive and versatile, it is equipped with numerous accessories that will meet all your adventure needs. Its quick carry system for skis or snowboard will be of great use during your ski touring or mountaineering outings. Its multiple straps also allow you to store a sleeping bag, a mattress, a light tent, an avalanche shovel, or even an ice axe... Your imagination will be the only limit! This backpack is also ideal for stage races and ultra trails thanks to its generous volume. The main compartment, itself divided into several ingenious compartments, will allow you to store your equipment clearly and organized. Numerous pockets are strategically placed at the front and sides for easy and quick access. Materials: 210D and 40D ripstop nylon Water resistance: 10000mm 3D mesh with Aiback Control system for good back ventilation Volume: 40L Adjustment with side velcros to adjust your backpack according to its content and your size Chest and waist adjustment for better load distribution on the back and perfect stability 2 waterproof zippered smartphone pockets with self-locking slider and headphone passage 2 compartments designed to hold 500ml bottles 2 compartments in bi-elastic material for nutrition Central compartment segmented into several independent compartments easily accessible by two zip closures, including one vertical for quick access to equipment 4 reflective loops for added safety that allow you to attach a mesh net accessory to increase the backpack's volume if needed Sold with a 2L hydration bladder and compatible with 500ml or larger bottles Backpack equipped with Easy Fix Pole Control quick pole attachment system Whistle easily accessible without removing the backpack, and reflective strips for added safety Weight: 615g (without hydration system in size M) Oxsitis Adventure - Trail running backpack | Hardloop