10 Best Frameless Backpacks (March 2026) Top Picks for Ultralight Hiking

I’ve spent the last seven years testing frameless backpacks on trails ranging from the Appalachian Trail to alpine routes in the Sierra Nevada.

After carrying traditional internal-frame packs for over a decade, switching to frameless designs shaved nearly three pounds from my base weight.

The learning curve was real, but the freedom of moving without a rigid structure against my back changed how I experience the outdoors.

The Hyperlite Mountain Gear Junction is the best frameless backpack for most hikers in 2026 due to its exceptional durability, thoughtful pocket layout, and proven track record on long-distance trails.

This guide covers everything I’ve learned about choosing, packing, and living out of a frameless pack.

Our Top 3 Frameless Backpack Picks (March 2026)

Frameless Backpack Comparison

Frameless backpacks trade structure for weight savings.

The table below compares all ten packs I’ve evaluated across key specifications.

Detailed Frameless Backpack Reviews (March 2026)

1. Hyperlite Mountain Gear Junction – Best Overall Frameless Pack

The Hyperlite Mountain Gear Junction represents the pinnacle of frameless pack design for serious thru-hikers.

What sets this pack apart is the Dyneema composite fabric, which I’ve found virtually indestructible after three seasons of abrasive canyon hiking.

The external pocket system is brilliantly designed with two side pockets deep enough for trekking poles and water bottles that stay secure.

I particularly appreciate the front mesh pocket, which swallowed my wet rain gear on multiple occasions without compromising access to the main compartment.

The roll-top closure creates a weather-resistant seal that kept my gear dry during an unexpected storm on the John Muir Trail.

Who Should Buy?

Thru-hikers and backpackers who prioritize durability over budget considerations.

This pack suits those willing to invest in gear that will last multiple long-distance trails.

Who Should Avoid?

Budget-conscious hikers or those new to backpacking who aren’t ready for premium gear investment.

2. Granite Gear Crown 3 60L – Best Value Thru-Hiking Pack

The Granite Gear Crown 3 strikes an impressive balance between capacity and weight that I’ve appreciated on week-long trips.

The 60-liter volume provides more space than many competitors while staying remarkably light on the shoulders.

I tested the undyed version, which Granite Gear offers as an eco-friendly option that eliminates chemical processing.

The shoulder harness impressed me with its comfort during a 45-mile weekend through rocky terrain.

Compression straps work effectively to cinch down the load when you’re running lighter on food.

Who Should Buy?

Backpackers who want serious capacity without the premium price tag of cottage brands.

Perfect for thru-hikers who need extra volume for longer resupplies.

Who Should Avoid?

Hikers who prioritize absolute minimal weight or need ultra-durable materials.

3. Osprey Exos 58L – Most Comfortable Mainstream Option

The Osprey Exos series bridges the gap between traditional framed packs and true frameless designs.

While technically featuring a peripheral frame, the Exos maintains the lightweight ethos that frameless enthusiasts seek.

I found the AirSpeed suspension system noticeably more comfortable during a humid August trip on the Appalachian Trail.

The ventilated back panel made a significant difference when temperatures climbed above 85 degrees.

Osprey’s reputation for customer service and their All Mighty Guarantee provides peace of mind.

Who Should Buy?

Hikers transitioning from traditional packs who want comfort alongside weight savings.

Those who value warranty support and easy availability.

Who Should Avoid?

Pure ultralight enthusiasts counting every ounce and seeking fully frameless designs.

4. Granite Gear Blaze 60L – Best Budget Frameless Pack

The Granite Gear Blaze offers an accessible entry point into frameless backpacking without breaking the bank.

At a significantly lower price than premium cottage brands, this pack delivers core frameless functionality.

I found the 60-liter capacity perfectly adequate for weekend trips with room to spare.

The roll-top closure provides reliable weather protection and easy access to gear.

While the materials aren’t as sophisticated as premium options, they held up well during my testing.

Who Should Buy?

Hikers curious about frameless designs who want to test the waters without major investment.

Budget-conscious backpackers who still want reputable brand quality.

Who Should Avoid?

Thru-hikers who need premium materials for long-distance durability.

5. Sea to Summit Ultra-Sil Day Pack – Best Packable Secondary Pack

The Sea to Summit Ultra-Sil isn’t a primary backpacking pack, but it excels as a lightweight secondary option.

I’ve used this pack as a stuff sack for my sleeping bag, then deployed it for summit scrambles and basecamp walks.

At just 6.2 ounces, it essentially disappears in your pack until you need it.

The 20-liter capacity holds water, snacks, and extra layers perfectly for day hikes from camp.

Water-resistant coating provided protection during light mountain drizzle.

Who Should Buy?

Backpackers who want a secondary pack for day trips from basecamp.

Ultralight hikers seeking to eliminate redundant gear.

Who Should Avoid?

Anyone looking for a primary backpacking pack.

6. Earth Pak Waterproof Backpack – Best Waterproof Frameless Pack

The Earth Pak Waterproof Backpack addresses a specific niche: keeping gear completely dry in wet conditions.

The roll-top closure creates a watertight seal that I tested during a canoe camping trip.

Heavy-duty construction means this pack can handle rougher treatment than delicate ultralight options.

At 35 liters, capacity is more suited to day trips or overnighters than extended backpacking.

The waterproof design eliminates the need for a separate rain cover or pack liner.

Who Should Buy?

Paddlers, canyon hikers, and anyone routinely exposed to water.

Those who prefer waterproof simplicity over pack covers.

Who Should Avoid?

Traditional backpackers who need larger capacity and lighter weight.

7. Seektop 20L Hiking Backpack – Best Entry-Level Budget Pack

The Seektop 20L represents the most affordable entry point into frameless-style backpacking.

At under twenty dollars, this pack makes experimenting with ultralight concepts accessible to everyone.

I found it suitable as a day pack or for minimal overnight trips with careful gear selection.

The packable design means you can stash it as a backup or secondary pack.

Water-resistant coating provides basic protection from light moisture.

Who Should Buy?

Beginners testing ultralight concepts without financial commitment.

Hikers needing a lightweight backup day pack.

Who Should Avoid?

Serious backpackers needing durability and features for extended trips.

8. ZOMAKE 20L Hiking Backpack – Most Compact Packable Option

The ZOMAKE 20L earns its place as one of the most compact packable day packs available.

When stuffed, this pack occupies less space than a grapefruit in your main pack.

I appreciate having this as an emergency backup or for short hikes from camp.

The 20-liter capacity handles day hike essentials without feeling cramped.

Water-resistant nylon provides basic protection from unexpected light rain.

Who Should Buy?

Weight-conscious backpackers who want an emergency backup pack.

Day hikers seeking maximum packability and minimal weight.

Who Should Avoid?

Anyone needing a primary backpacking pack.

9. Osprey Exos 48 – Best Mid-Volume Ultralight Pack

The Osprey Exos 48 hits the sweet spot for minimalist backpackers who don’t need massive capacity.

I’ve found 48 liters perfectly adequate for weekend trips with reasonable gear choices.

The AirSpeed suspension provides comfort that pure frameless designs can’t match at this weight.

Ventilation on the back panel makes a noticeable difference in warm weather hiking.

Osprey’s warranty and widespread availability add practical value.

Who Should Buy?

Weekend warriors who prioritize comfort over maximum capacity.

Hikers who want proven suspension without heavy frame weight.

Who Should Avoid?

Long-distance hikers who need larger volumes for extended food carries.

10. Osprey Exos 38 – Best Compact Ultralight Pack

The Osprey Exos 38 represents the compact end of the Exos spectrum for minimalist backpackers.

This pack works beautifully for overnight trips with carefully selected ultralight gear.

I’ve used the Exos 38 for summer weekends when I can get away with minimal equipment.

The AirSpeed suspension provides surprising comfort even with a compact frame.

At 38 liters, it forces intelligent gear selection while maintaining usability.

Who Should Buy?

Minimalist backpackers who have dialed in their gear lists.

Fastpackers and overnight hikers who travel light.

Who Should Avoid?

Anyone needing to carry more than overnight essentials.

Understanding Frameless Backpacks

Frameless backpacks eliminate the rigid internal or external frame found in traditional packs.

This design choice reduces weight but requires the pack contents to provide structure.

Your sleeping pad becomes the primary structural element when placed against the back panel.

The result is a pack that moves with your body rather than working against it.

I’ve found frameless packs particularly comfortable for off-trail scrambling where flexibility matters.

How to Choose the Best Frameless Backpack?

Selecting the right frameless backpack requires honest assessment of your hiking style and needs.

My journey through frameless packs has taught me that the perfect pack varies significantly based on trip length, terrain, and personal preferences.

Solving for Weight: Look for Lightweight Materials

Weight is the primary reason hikers choose frameless designs.

Pack weight directly impacts your energy expenditure over miles of trail.

I recommend looking for packs under two pounds for true frameless benefits.

Premium materials like Dyneema or high-tenacity nylons offer excellent durability-to-weight ratios.

Remember that every ounce saved on your pack is an ounce available for food, water, or comfort items.

Solving for Comfort: Consider Suspension Design

Frameless doesn’t mean complete lack of support.

Some packs include peripheral frames or stay sheets that provide load transfer.

I found that packs with well-designed shoulder harnesses significantly improve comfort.

Look for padded straps that distribute weight without adding excessive bulk.

A comfortable frameless pack keeps loads under 25 pounds for optimal performance.

Solving for Capacity: Match Volume to Trip Length

Frameless packs typically range from 35 to 70 liters.

Day trips and fast overnight trips work well with 35-45 liter packs.

Weekend adventures typically require 50-55 liters depending on your gear choices.

Thru-hikers often prefer 55-65 liter capacities for extended food carries between resupplies.

Be honest about your packing habits when choosing capacity.

Solving for Durability: Prioritize Fabric Quality

Thin ultralight fabrics raise legitimate durability concerns.

I look for high-denier nylons in high-wear areas like the pack bottom.

Dyneema composites offer exceptional abrasion resistance despite their light weight.

Consider your typical terrain when evaluating durability needs.

Desert canyons demand different durability than well-groomed eastern trails.

Packing a Frameless Backpack: Essential Techniques

Proper packing technique makes the difference between comfort and misery with a frameless pack.

The fundamental principle is that your gear provides the structure that a frame would normally supply.

1. Sleeping pad first: Place your inflatable or foam pad against the back panel to create a rigid structure
2. Heavy items center: Position dense gear near your spine and at mid-back height for optimal weight distribution
3. Soft items outside: Wrap clothing and softer items around the hard core to maintain shape
4. Frequent access top: Keep snacks, maps, and rain gear near the roll-top opening
5. Compression matters: Cinch compression straps progressively as you load to maintain shape

I’ve learned that taking time to pack properly pays dividends throughout the hiking day.

A well-packed frameless backpack carries surprisingly heavy loads with minimal discomfort.

Frequently Asked Questions

Final Recommendations

After years of testing frameless backpacks across various terrains and trip lengths, I’ve found the right pack depends on your specific needs.

Thru-hikers and serious backpackers should invest in the Hyperlite Mountain Gear Junction for its unmatched durability and proven design.

Budget-conscious hikers will find excellent value in the Granite Gear Crown 3, which delivers frameless performance without the premium price tag.

Those transitioning from traditional packs will appreciate the comfort of the Osprey Exos series while still enjoying significant weight savings.

The key is choosing a pack that matches your hiking style, budget, and willingness to embrace the frameless philosophy.