Granite Gear
Granite Gear Perimeter 50 Liter Women's Ultralight Pack
Best ultralight pack for hikers seeking a highly customizable, ergonomic fit.
The Granite Gear Perimeter 50L Women's Ultralight Pack, an award-winning design, focuses intensely on personalized fit for diverse body shapes. It features an innovative suspension system that allows for fine-tuning both torso height and shoulder width, ensuring optimal comfort on the trail. The pack utilizes a durable spring steel rod outline combined with a PE board core for effective weight dispersion and ergonomic form. Built for serious hikers, this pack offers adjustability in the harness and the patent-pending Re-Fit waist belt, making it a highly adaptable choice for carrying loads up to 40 lbs comfortably.
$124.98
Owner Satisfaction
4.6
/ 5
Category Rank
1886
/ 13460
#1886 in Backpacks
Price vs Category Average
+17%
Above average
Frame Type
Internal Frame
/ Internal Frame
Who it's for
- Thru-hikers prioritizing low pack weight for long-distance treks
- Hikers with unique torso lengths needing a precise, custom fit
- Organized backpackers who value quick access to their gear
Who should skip it
- Backpackers carrying heavy expedition loads over long distances
- Hikers who prefer multiple pockets for gear organization
- Adventurers trekking in regions with frequent, heavy rainfall
Performance breakdown
Fit Customization
Unmatched adjustability for torso length and shoulder width across diverse body types.
Load Distribution
Spring steel frame effectively transfers weight to the hips for heavy hauls.
Waist Belt Precision
Re-Fit system provides a tailored, secure wrap for maximum carrying comfort.
Storage Accessibility
DWR-treated hip pockets keep trail essentials dry and within easy reach.
Compression Efficiency
Cinch-and-roll closure keeps gear stable and secure regardless of pack volume.
Ultralight Versatility
Strikes a perfect balance between lightweight materials and robust structural support.
Key Specs
Frame Type
Internal Frame
Torso Range
Adjustable
Hip Belt
Re-Fit adjustable
Hydration Compatible
Yes
Features
- Award-winning design recognized for its fit-focus and body diversity awareness
- Shoulder Width Adjustment allows for fine-tuning suspension based on individual build
- Patent-pending Re-Fit waist belt ensures a precise and comfortable wrap around the hips
- Dual density shoulder harness includes load-lifter straps for better weight distribution
- Cinch-and-roll closure system securely compresses and fastens contents
- Includes dual large hip belt pockets with DWR treated zippers for accessible storage
- Removable lid flap also features a DWR treated zipper
- Dedicated bottom flap storage location suitable for a sleeping pad
What customers say
Customers consistently praise the Perimeter 50L for its exceptional comfort, especially considering its ultralight status. The adjustable ReFit belt system and customizable frame allow users to dial in a perfect fit, making heavy loads feel manageable over long distances. Reviewers frequently highlight the smart design features that balance low weight with necessary durability and excellent load distribution. This pack is seen as a top tier choice for serious female backpackers seeking efficiency and personalized comfort.
Know before you buy
The pack features a sliding adjustment system that allows you to move the shoulder straps closer together or further apart. This ensures the harness sits correctly on your specific frame, preventing chafing and improving weight distribution.
The Perimeter 50L is designed to carry loads up to 40 lbs comfortably. Its spring steel rod frame and PE board core work together to transfer that weight effectively to your hips.
Yes, the pack features an adjustable torso length system. This allows you to fine-tune the fit to match your specific back length, which is essential for proper load transfer.
The patent-pending Re-Fit waist belt is fully adjustable, allowing you to customize the length to fit your hip circumference perfectly. This ensures the belt wraps securely around your hips, which is critical for carrying heavier loads without slippage.
Yes, the pack includes a dedicated bottom flap storage location specifically designed to secure a sleeping pad. This keeps your gear externalized and accessible without taking up space inside the main compartment.
Yes, the Perimeter 50L is hydration compatible. It includes an internal sleeve and routing ports to keep your water bladder secure and your hose accessible while you hike.
Still have a question?
Ask Hayley anything about this product before you decide.