Best Internal Frame Backpacks

Best All-around

A 65-liter capacity backpack suitable for most sizes.

This backpack is adjustable in the shoulders, waist, torso, and chest, so it can fit women, men, and youths. The multitude of pockets allows backpackers to carry tent poles and other awkwardly-shaped items comfortably. Sewn-in rainfly and sleeping bag compartment are also useful.

Rook 50 Men's Backpacking Backpack

Hydration bladder not included. The smallest waist measurement might still be too big for petite hikers.

Best Bang for the Buck

Osprey

Trusted Brand

This no-fuss pack is best for weekend trips.

This 50-liter pack has 1 main large storage compartment, making it great for a variety of purposes. There are also side pockets, a bottom sleeping bag compartment, and sleeve for hydration bladder. Back panel can be adjusted to increase airflow. Comes with a built-in rainfly.

Hiker 3700 Ultralight Internal Frame Backpack

Hydration bladder might not fit when the backpack is full. Might not have enough organization for all hikers.

Teton Sports

Most Versatile

A 60-liter pack that's perfectly lightweight at only 4 pounds.

This backpack has all of the classic features, including a rain fly, sleeping bag compartment, and compression straps. The back and lumbar panels are extra-padded for added comfort. The pack is lightweight and fully adjustable to fit a range of sizes.

Some reviewers don't like the placement and shape of the outside pockets.

This minimalist travel backpack has a 50-liter capacity and is perfect for hiking and camping

Has a full-contact back suspension system and 2 large cushioned pads for superior ventilation, comfort, and stability. It has thick, s-shaped shoulder straps and is available in black, blue, green, and red. It weighs just 2 pounds and is made with high-quality waterproof nylon fabric.

Internal Frame Hiking Backpack

It's not as durable as other hiking backpacks.

N Nevo Rhino

Durable & Rugged

An excellent lightweight travel backpack with an ergonomic design.

Made of durable nylon and has a 50-liter capacity with 2 top pockets, 1 hydration pack pocket, 1 inner pocket, 1 mesh pocket for wet clothes, 2 side pockets for water bottles, 1 pocket for a sleeping bag, and 1 bottom pocket for rain cover.