For big adventure days and overnight trips, this 36L backpack from Columbia is perfect. It is designed for comfort and functionality. The ergonomic, padded hip belt, chest strap, breathable padded shoulder straps, and Airmesh back panel provide flexibility and comfort while you're on the go. Useful features like the side water bottle holder, trekking pole loops, and the stowable rain cover ensure that you have all the essentials at hand. With fully adjustable side compression, you can securely store your gear.