Hyperlite Mountain Gear Junction 55 (2025)

Versatile backpack for trails

The Hyperlite Mountain Gear Junction backpack is a symbol of versatility and adaptability. It combines two side pockets made of durable material and a large front mesh pocket that's perfect for drying wet clothes or gear. It's suitable for a wide range of conditions – from narrow overgrown trails to rocky terrain and wet mountain crossings.

The Junction backpack with a capacity of 55 liters offers a wide range of options and uses. It's perfect for demanding weekend trips, multi-day mountain crossings, and even the longest treks in the world. With the roll-top closure and two compression straps on each side of the backpack, you can easily adjust the volume as needed. When you don't need the extra space, you can roll down the roll-top closure so that it resembles a smaller backpack – Junction 40.

Backpacks from Hyperlite Mountain Gear are among the most popular for long-distance hikes in America, like the Pacific Crest Trail and Continental Divide Trail, and we think that says a lot (this info comes from annual surveys on the blog halfwayanywhere.com).

Specifications

• Top closure – roll-top system with Velcro, top Y-compression strap.
• Back panel – integrated foam panel (0,6 cm) and sewn-through construction for ergonomic curvature.
• Reinforcement – two removable aluminum reinforcements for better load transfer.
• Hip belt – padded with double-layer foam and spacer mesh, two pockets with waterproof YKK zipper.
• External pockets – two deep side pockets made from durable Hardline material with Dyneema®, big rear mesh pocket with an elastic hem.
• Shoulder straps – comfortable, wide enough, and padded shoulder straps with ergonomic curvature.
• Chest strap – sliding and adjustable, with expanded attachment options.
• Compression straps - detachable, variable attachment, option to center the load.
• Hydration – a simple system with a hanging loop and a port on the upper part of the back.
• Taped seams – all side seams and the seams under the pockets are taped to enhance water resistance.
• Accessory options – compatible with e.g. Shoulder Pocket, Bottle Pocket, Versa, Pods, inside a loop for attaching an additional pocket.

Materials

The main part of the Hyperlite Mountain Gear Southwest backpack is made from a new material. Dyneema® Woven Composite 3.9, which brings a combination of low weight, high strength, and top-notch abrasion resistance. Thanks to the fully woven outer layer made of Dyneema® fibers, the material is exceptionally strong and durable, feels nicer to the touch, holds its shape better, and doesn’t make annoying noises even in cold weather.

The material itself is 100% waterproof, but the stitching can create tiny holes. Even though more than 90% of the seams on the backpack are taped, it can’t be labeled as 100% waterproof. For complete protection against water and moisture, we recommend supplementing the backpack with waterproof bags.

The side pockets of the backpack and the pockets on the hip belt are made from a highly durable and strong Hardline material with Dyneema®, which can stand up to tough terrain. The large front pocket is made of thick mesh with an elastic hem.