

1. Osprey Aether/Ariel Plus Gets a Major Overhaul
Osprey has completely redesigned its iconic Aether (men's) and Ariel (women's) series for 2025. The new Plus models feature an updated EXO Form suspension system that provides a more custom fit with adjustable torso lengths ranging from 16 to 24 inches. The hip belt now uses a new injection-molded foam that distributes weight more evenly, reducing pressure points on long treks.
The pack volume options have expanded to 55L, 65L, and 75L, catering to weekend warriors and thru-hikers alike. Osprey also added a removable daypack that attaches via a new clip system, making summit scrambles easier. The fabric is now 100% recycled high-tenacity nylon with a PFC-free DWR coating, aligning with Osprey's sustainability goals.
Early reviews praise the improved ventilation on the back panel, thanks to a deeper channel that allows more airflow. The Aether/Ariel Plus is expected to hit stores in March 2025 with a starting price of $320.

2. Deuter Aircontact Core 45+10 SL: Lightweight Comfort for Women
Deuter's new Aircontact Core series introduces a women's-specific model (SL) that shaves off 12 ounces compared to the previous version. The key innovation is the Aircontact Back System, which uses a flexible spring steel frame and a mesh back panel that adapts to the wearer's movements. The hip belt is now contoured with softer foam to accommodate female anatomy.
This pack offers a 45+10 liter capacity, ideal for multi-day trips where weight is critical. The extension collar adds 10 liters without adding much bulk. Deuter also integrated a hydration sleeve with a magnetic tube clip that keeps the hose accessible. The pack is made from recycled polyester with a bluesign certification.
Testers have noted that the load transfer is excellent for a pack under 3 pounds, making it a top contender for lightweight backpackers. The Aircontact Core 45+10 SL will retail for $249 and is available now.

3. Gregory Baltoro 75 and Deva 70 Get Updated Suspension
Gregory has updated its popular Baltoro (men's) and Deva (women's) series with a new Response A3 Suspension system. This system uses a three-layer foam construction that mimics the natural curvature of the spine, providing a more dynamic fit. The hip belt now has a built-in adjustment mechanism that allows for on-the-trail tweaks without stopping.
The pack features a new U-Zip main compartment opening that makes packing and unpacking easier than traditional top-loaders. The front stretch mesh pocket is now removable, allowing you to attach a separate gear sling. Volume options include 65L and 75L for the Baltoro, and 60L and 70L for the Deva. The fabric is a mix of 210D and 420D nylon with a water-repellent coating.
Initial feedback highlights the improved stability when carrying heavy loads (up to 50 lbs). The Baltoro 75 and Deva 70 are priced at $349 and will be released in April 2025.
4. REI Co-op Flash 55 Gets a Sustainable Makeover
REI Co-op's popular Flash 55 has been redesigned with sustainability in mind. The new version uses 100% recycled nylon from post-consumer waste, and the entire pack is now PFC-free. The frame is made from a single aluminum stay that can be removed to save weight (down to 2 lbs 5 oz).
The pack features a new roll-top closure with a compression strap system that keeps the load stable. The hip belt pockets are now larger and can fit a smartphone. REI also added a removable foam back pad that doubles as a sit pad. The Flash 55 is available in two torso lengths and comes with a lifetime warranty.
User reviews note that the pack carries loads up to 30 lbs comfortably, making it ideal for lightweight backpacking. The price remains competitive at $199.
5. Hyperlite Mountain Gear 3400 Southwest Gets a New Fabric
Hyperlite Mountain Gear has updated its flagship 3400 Southwest pack with a new DCH fabric that is 15% lighter yet just as durable as the previous version. The pack now weighs only 1 lb 14 oz for the 55L model. The new fabric also has a smoother texture that reduces friction against clothing.
The pack retains its signature roll-top closure and removable aluminum frame, but now includes a new hydration port that is easier to access. The shoulder straps have been redesigned with a more ergonomic curve to reduce chafing. The 3400 Southwest is available in four colors and three sizes (S, M, L).
Thru-hikers appreciate the pack's durability and waterproofness (no liner needed). The 2025 model is priced at $349 and is available for pre-order.
6. Zpacks Arc Haul Ultra 60: Sub-2 Pounds with Full Suspension
Zpacks has introduced the Arc Haul Ultra 60, a pack that weighs just 1 lb 13 oz but features a full carbon fiber frame suspension. The key innovation is the Arc Compression System, which creates a curved back panel that keeps the pack off your back for maximum ventilation. The pack uses a new ultra-high-molecular-weight polyethylene fabric that is both lightweight and abrasion-resistant.
Volume is 60 liters, with a removable top lid that adds 10 liters. The hip belt is available in two widths (regular and wide) and is fully adjustable. Zpacks also added a new side pocket design that fits a 1-liter bottle securely. The pack is made in the USA and comes with a 30-day guarantee.
Early adopters praise the load-carrying ability (up to 35 lbs) and the comfort of the suspension. The Arc Haul Ultra 60 is priced at $375 and is expected to ship in February 2025.
7. Granite Gear Crown3 60 Gets a Women's-Specific Version
Granite Gear has released a women's-specific version of its popular Crown3 60 pack. The new model features a shorter torso length (16-19 inches) and a hip belt that is contoured for a woman's shape. The pack uses a Re-Fit suspension system that allows for easy torso adjustment without tools.
The Crown3 60 is made from 100D Cordura fabric and weighs just 2 lbs 3 oz. It has a roll-top closure with a removable top pocket that can be used as a daypack. The front mesh pocket is now made from a more durable material that resists tearing. The pack is available in two colors and comes with a lifetime warranty.
Reviewers note that the pack is comfortable for loads up to 30 lbs and is a great value at $229. It is available now.
8. Mountain Hardwear Summit Lite 50: A Minimalist's Dream
Mountain Hardwear has released the Summit Lite 50, a minimalist pack designed for fast-and-light adventures. It weighs only 1 lb 10 oz and uses a Dyneema composite fabric that is both waterproof and extremely durable. The pack has a simple design with a single main compartment, a roll-top closure, and two side pockets.
The suspension system consists of a removable foam pad that doubles as a sit pad. The shoulder straps are made from a breathable mesh material that dries quickly. The pack also features a hydration sleeve and a sternum strap with a whistle buckle. The Summit Lite 50 is available in one size (19-21 inch torso) and comes in three colors.
Alpine climbers appreciate the pack's simplicity and low weight. The Summit Lite 50 is priced at $299 and is available for pre-order.
