This professional 50L wholesale hiking backpack is meticulously designed to support multi-day trips and outdoor adventures. With its 50L high-capacity main compartment, dedicated sleeping bag compartment, and extra pockets (including mesh side pockets and two zipped front pockets), it is best suited for 2-4-day adventures. Constructed from high quality tear Polyester + nylon fabric, the pack is highly tear resistant, anti-Scratch, and wear resistant, and comes with an integrated rain cover to prevent water sipping into the bag. For comfort, it features widened and thickened S-type shoulder straps with plentiful sponge padding to relieve stress. The high elastic breathable back support and mesh straps provide best ventilation and effective burden easing, making it suitable for all people. Adjustable straps are included for tying up gear like sleeping bags, mats, or hammocks.