The Osprey Atmos AG LT 65 is built for backpackers who want maximum comfort without unnecessary weight. Designed with Osprey&';s award-winning AntiGravity suspension system, this 65-liter pack delivers a body-hugging fit that distributes weight evenly, making long miles feel smoother and more efficient. Whether you&';re heading out for a weekend in the Eastern Sierra or a multi-day trek, this pack balances load-carrying stability and streamlined design. Why the Atmos AG LT 65 Stands Out Engineered as a lighter, more streamlined version of the classic Atmos line, the LT 65 trims excess while retaining the features that matter most. The result is a pack that excels on extended backpacking trips with loads in the 30-40 lb range, offering exceptional comfort and support on demanding terrain. The standout AntiGravity (AG) suspension system seamlessly integrates the backpanel, harness, and hipbelt into one continuous structure. This creates a suspended mesh design that enhances ventilation and eliminates pressure points-one of the key reasons it consistently ranks among the most comfortable packs available. Key Features AntiGravity Suspension System - Seamless mesh backpanel and hipbelt for superior weight distribution and breathability Lightweight, Streamlined Design - Reduced weight without sacrificing performance or durability Fit-on-the-FlyA(R) Hipbelt - Adjustable fit for personalized comfort on the trail Integrated Raincover - Stay protected in changing mountain weather 65L Capacity - Ideal for multi-day backpacking, thru-hikes, and gear-heavy trips Side Panel Zip Access - Quick access to gear without unpacking Dual Hipbelt Pockets & Stretch Storage - Keep essentials within reach Hydration Sleeve Compatible - Easy integration with reservoir systems BluesignA(R) Approved Recycled Materials - Sustainable construction with PFAS-free DWR coating Built for Long Days and Big Objectives The Atmos AG LT 65 is designed for backpackers who prioritize comfort, ventilation, and reliable load carry over ultralight minimalism. Its supportive frame and ergonomic design make it a go-to choice for carrying heavier loads across rugged terrain, while the ventilated mesh backpanel keeps you cool during hot desert approaches or high-alpine climbs. Ideal Use Multi-day backpacking trips Thru-hiking and extended treks Gear-intensive adventures Backpackers seeking premium comfort and fit Technical Specs Capacity: 65L Weight: ~4.0-4.25 lbs Load Range: 30-40 lbs Materials: Recycled high-tenacity nylon (BluesignA(R) approved) Sizes: S/M and L/XL torso options