Large Capacity This internal frame backpack is able to hold clothing for 4-6 days of outdoor travel and meets your needs for a week trip. Adjustable backpack The back portion of this backpack is not only breathable, but can also be adjusted to accommodate different body shapes. Higher Quality With YKK zips and buckles, this camping backpack is durable and practical. Dust and Water Resistant The bottom of the backpack is equipped with a rain cover to keep the backpack clean from dust and rain. More backpacks in other litres Internal Frame Backpack Add to Cart Hiking Backpack Add to Cart Hiking Backpack Buying Options Hiking Backpack Add to Cart Internal Frame Backpack Buying Options Customer Reviews 4.3 out of 5 stars 435 4.2 out of 5 stars 140 4.4 out of 5 stars 543 4.5 out of 5 stars 2,043 4.3 out of 5 stars 1,347 Price $141.99$141.99 $65.99$65.99 — $75.99$75.99 — Size 27.5*13*9.4in 21.7*11.8*7.1in 21.7*13*7.9in 21.7*13*7.9in 29.9*13*10.2in Litres 80L 35L 40L 40L 70L Material Nylon Nylon Polyester Nylon Nylon Suitable travel days 4-6 days 2-3 days 2-3 days 2-3 days 4-6 days Rain cover ✔ ✔ ✔ ✔ ✔