No internal frame design keeps the pack lightweight and comfortable for outdoor use. - Comfort and ventilation: breathable mesh shoulder straps are generously padded to relieve shoulder stress. The widened S-shaped straps and high-elastic back support provide ventilation and distribute weight for a more comfortable carry. - Durability and materials: constructed from tear-resistant polyester and nylon. Water-resistant, anti-scratch, and wear-resistant fabric with durable zippers and high-density stitching. Reinforced stitching at key points such as the shoulder straps, carrying handle, and bottom. - Organization and versatility: a spacious main compartment, a separate shoe compartment, and six external pockets. Customizable external organization with ample compression straps and attachment points for sleeping bags, tents, trekking poles, ice axes, and more. - Fit and adjustability: adjustable shoulder straps, chest belt, and waist belt. Multi-position torso adjustment for a customizable fit suitable for men and women of all ages. - Capacity and travel readiness: 75-liter capacity weighing 2.7 pounds. Ideal for 3-4 days of travel or outdoor adventures. Airline-size friendly and ready for hiking, camping, backpacking, trekking, mountaineering, and travel. Use scenarios: - 3-4 day hiking or backpacking trip with organized main and external gear storage, plus room for footwear in the shoe compartment. - Airline travel or multi-city trips where a single large pack serves as a carry-on option. - Mountaineering or long treks that require external attachment points for trekking poles and ice axes.