Naturehike Rock2.0 Internal Frame Hiking Backpack - 30L/45L/60L Camping Backpacking Backpack with Rain Cover for Men Women

Shoulder strap thickness: approx. 10mm / 0.39in Size M: Strap length 45cm / 17.7in, width 6.5cm / 2.56inSize M: Total back (frame) height 60cm / 23.6inSize L: Strap length 50cm / 19.7in, width 7.0cm / 2.76inSize L: Total back (frame) height 65cm / 25.6inWaist belt thickness: approx. 15mm / 0.59inWaist belt flat length: approx. 80–120cm / 31.5–47.2inRecommended waist circumference: 70–130cm / 27.6–51.2inSize M: Back height to ground: 53cm / 20.9inSize L: Back height to ground: 58cm / 22.8in30L（M Size）: 26×15×(60+23)cm / 10.2×5.9×(23.6+9.1)in Weight: 1.17kg / 2.58lbs45L（M Size）: 26×18×(60+30)cm / 10.2×7.1×(23.6+11.8)in Weight: 1.20kg / 2.65lbs45L（L Size）: 28×18×(65+25)cm / 11.0×7.1×(25.6+9.8)in Weight: 1.25kg / 2.76lbs60L（M Size）: 26×21×(60+42)cm / 10.2×8.3×(23.6+16.5)in Weight: 1.30kg / 2.87lbs60L（L Size）: 28×21×(65+37)cm / 11.0×8.3×(25.6+14.6)in Weight: 1.37kg / 3.02lbs(Rain cover weight: approx. 65g / 2.29oz) (Main Fabric) 94% Polyamide Fiber + 6% Ultra High Molecular Weight Polyethylene (UHMWPE) Fiber(Lining) 100% Polyester Fiber

• 【Naturehike Rock2.0 hiking backpack】Featuring 30L/45L/60L of massive loading capacity, this backpack easily holds full outdoor gear for multi-day treks. Its large-opening main compartment with roll-top closure adjusts flexibly to switch between regular and expanded sizes. A vertical full-zip allows quick access without opening the top pocket. Deep side pockets and an enlarged waist belt bag (fits 7-inch phones) let you grab essentials without removing the pack, ensuring organized storage.
• 【Perfect Body Curve Fit】Equipped with the Rock Ridge Professional Load-Bearing System, lightweight hiking day pack includes a detachable 6-series aluminum alloy pre-bent frame to transfer weight to the hips, reducing shoulder pressure significantly. Scientific stepped padding (13mm on the upper back, 15mm at the lower back) precisely fits the back curve. Large-hole breathable mesh balances fit and airflow, keeping your back dry during long wears for stable and comfortable trekking.
• 【Versatile for Outdoor Needs】Its multi-dimensional attachment system has professional points and webbing on top, sides, and bottom to secure sleeping bags, sleeping pads, and trekking poles. An internal hydration bladder compartment with an external outlet supports on-the-go drinking. High-quality ITW buckles, a chest buckle with a whistle, and drawcords are included. 45L/60L sizes add extra side zippers, fully suiting heavy-duty trekking, hiking, and camping.
• 【High Wear-Resistant & Tear-Proof Fabric】Made of polymer blended fabric, this waterproof camp pack resists scratches and wear in harsh environments. The included rain cover uses dual fixation (bottom/center with rubber bands and buckles) to stay secure in heavy rain, protecting gear from moisture for all-weather reliability.
• 【Comfortable for Long-Term Wear】 Its ergonomic S-shaped shoulder straps and 3D breathable mesh at shoulders/waist evenly distribute pressure and improve airflow, preventing stuffiness and soreness. Adjustable chest straps and a detachable load-relief waist belt adapt to your body shape, ensuring stable comfort for both short hikes and multi-day heavy treks.
• * If you have any questions about the go bag emergency backpack, please contact us, we provide 24/7 customer service, we will provide you with a satisfactory solution within 24 hours. Happy camping!