THE PEMI 15 LEADS THE NEXT EVOLUTION OF PERFORMANCE FASTPACKING—BUILT FOR LONG DAYS, BIG TERRAIN, AND MOVING FAST THROUGH ALL OF IT.
Whether you’re logging ultramarathon miles with extended water carries, threading technical ridgelines with poles or an ice axe, or packing layers for fringe conditions, the Pemi 15 keeps your kit close, stable, and within reach. Welded construction and ALUULA® 97 deliver water resistance with the durability and no-compromise efficiency you expect from Hyperlite.
New Pack
Pemi 15
The Pemi 15 is a small-volume hybrid running vest built for speed and efficiency. Using ALUULA 97 and thermo-welding technology, it delivers freedom of movement and quick gear access for demanding days in technical mountain terrain.
INTRODUCING
ALUULA 97 is an adhesive-free, ultra-light composite built for high-output days. Weldable construction lets us thermo-weld key Pemi 15 components for a cleaner build and added structure.
WELDED COMPONENTS
DURABLE
WATERPROOF MATERIAL
Specifications
- MaterialALUULA 97, Breathable Air Mesh, UHMWPE Stretch Mesh, Lycra Stretch Mesh
- Volume15L
- Weight12.4 oz | 352 g
- Back Width8.25 in | 21 cm
- Height23 in | 58.4 cm
- Top Circumference23.75 in | 60.3 cm
- Bottom Circumference19 in | 48.3 cm
- CountryMexico
Average weight based on size medium
SPEED UP YOUR ARRIVAL
Free + Focused
Full connection vest harness keeps center of gravity close and limits pack bounce.
Refreshing Design
Hydration bladder compatible back panel allows for threading the hydration hose throughout the vest, maximizing running efficiency.
Tech that Works
ALUULA 97 features an UHMWPE ALUULA Core, providing a balance of durability, weight, water protection, and next generation welding technology.
Proven in the Backcountry
Jimmy Riopel
“The Pemi Loop is kind of a testing ground. You’ve got huge elevation gain, uneven footing, rocky terrain—and one thing you shouldn’t have to worry about is your gear. That’s where the Pemi 15 came from.”
Will Peterson
“Whether I am racing or training, I look for a vest that helps me move through the mountains efficiently and smoothly; the less I need to think about my pack or vest, the better.”
Mikaella Sansoucie
“This running vest was perfect for a big day in the mountains when you need to carry extra gear and fuel between limited water sources. I also love the material and never had to worry about it snagging on trees or rocks.”
Frequent Questions
Materials + Technology
ALUULA 97 is a UHMWPE-based fabric that is engineered as an adhesive-free, waterproof, UV-resistant, heat-weldable composite. For the Pemi 15, that weldability lets us thermo-weld key components for a cleaner build, added structure, and weather-ready performance when you’re moving fast in rough conditions.
Fit + sizing
Go by chest circumference. If you’re slimmer through the chest and want that locked-in, no-bounce feel, sizing down is often the move
Yes—this is built for long days that start cold and finish sweaty. The harness adjusts to stay stable over layers, and the compression straps help keep things tight when you’re carrying less.
Hydration
The front vest pockets are designed for 500 mL soft flasks. The rear reservoir pocket can fit running-vest style hydration bladders up to 2 L, though 1–1.5 L tends to be the most comfortable fit with other gear in the pack.
Slide the bladder into the external reservoir pocket and route the hose through the port that feeds through the flask pocket, allowing the tube to run along the shoulder strap for easy access while moving.
Storage + access while moving
Yes, we designed the front vest pockets to fit modern phones. We have found that it fits the latest iPhone well.
That’s the whole point. Front pockets are built for fuel, phone, flasks, and quick grabs—so you keep moving instead of stopping.
Poles + mountain tools
Yep—on-the-go pole storage is built in so you can stash and deploy without a full stop on either the side or bottom of the pack.
Yes. There is a dedicated ice axe carry system on the pack.
Capacity + load limits
The Pemi 15 is made for all-day kits and longer carries, not overloaded hauls—pack smart and keep weight close to your back. You will be most comfortable carrying up to 15 lbs.
New Pack
Pemi 15
The Pemi 15 is a small-volume hybrid running vest built for speed and efficiency. Using ALUULA 97 and thermo-welding technology, it delivers freedom of movement and quick gear access for demanding days in technical mountain terrain.
