Expert-designed with the highest quality materials, the Naturehike External Frame Backpack offers 45L-60L of spacious and durable storage. Choose from classic Black, vibrant Green, or bold Orange. Perfect for hiking and climbing adventures, this versatile backpack is suitable for both men and women. Made with premium Nylon, it is also free from any harmful chemicals. The convenient Move Bracket and Rain Cover make it the ultimate choice for outdoor camping and mountaineering. With a size range of 55-60L, you'll have everything you need for your next expedition.