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10 Best Ultralight Backpacks
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Buying Guide for the Best Ultralight Backpacks
Choosing an ultralight backpack is all about finding the perfect balance between carrying comfort, weight, durability, and storage space. Ultralight backpacks are designed for hikers and travelers who want to keep their load as light as possible, often for long distances. However, to make a pack lightweight, some features and padding may be reduced, so it's important to focus on what you really need for your adventures and match that to the backpack’s capabilities. Think about the type and length of your trips, typical weather, and how much gear you need to bring before focusing on the specs.WeightThe weight of the backpack itself is a key feature in ultralight designs, as every ounce counts for long treks. Packs usually range from under a pound to just over two pounds. The lightest options often have fewer features and structure, while slightly heavier ones offer more comfort or durability. Decide how light you want to go by considering how much comfort and durability you’re willing to trade for weight savings. If you already have lightweight gear and value a minimal feel, go as light as possible. If you want more support or durability for heavier loads, choosing something a little heavier might serve you better.
Capacity (Volume)Capacity is measured in liters and tells you how much gear the backpack can carry. Ultralight options typically range from about 30 to 50 liters. Smaller capacities are great for shorter trips or highly experienced ultralight backpackers who pack only essentials. Larger capacities provide more room for food, clothing, or bulkier gear and are useful on longer or less supported trips. Think about the duration and type of trips you take most often, and choose a volume that comfortably fits your usual load without unused excess space or forced overpacking.
Frame TypeUltralight backpacks may have a frame, a minimal frame, or no frame at all. Full frames add weight but improve comfort and load support, ideal if you carry heavier loads. Frameless packs save weight but can feel less stable and put more strain on your shoulders if overloaded. Minimal frames offer a compromise. Pick your frame type based on how much total weight you’ll carry, your body strength, and how much comfort you need. For loads under about 20 pounds, many find frameless works well; for heavier loads, some structure is advisable.
Material DurabilityThe materials used in ultralight backpacks aim to strike a balance between low weight and good wear resistance. Common fabric choices include ripstop nylon, Dyneema, and Robic. Tougher materials add some weight but handle rough use and bushwhacking better, while ultralight fabrics can be less puncture-resistant. If you’re gentle with gear or mostly stick to trails, the lightest materials are usually fine. If you expect to push through brush or carry heavier objects, opt for a slightly tougher fabric.
Fit & ComfortFit is about how well the backpack matches your torso length and hip size—vital for comfort, especially on long hikes. Most packs come in several sizes or have adjustable harnesses. Ultralight models sometimes offer less padding or adjustability, so it’s important to try on different sizes or shapes to see what works for your body. Prioritize fit by checking your torso measurement and trying the pack loaded, if possible; a well-fitting pack reduces fatigue and discomfort.
Organization & FeaturesUltralight backpacks usually have fewer compartments and features compared to traditional packs—think simple main bags, stretchy outside pockets, and minimal straps. Removable items like hip belts or frames are sometimes included. Ask yourself which features you need: Are external pockets or hydration sleeves essential for you? Do you prefer a straightforward bag? The simpler the design, the lighter the pack, so choose features based on your hiking style and comfort preferences.