Vertix Waist Pack

The Vertix Waist Pack is part of our Pure Mountain Running line, built on the success of the Mountain Racer for athletes who needed more, more capacity, more versatility, and more capability from a waist-driven system. Designed for those who prefer to carry at the waist or supplement a race vest, the Vertix delivers expanded performance for longer, self-supported mountain efforts.

With an approximate 5-liter capacity, the Vertix offers a stable, ergonomic fit that contours naturally to the body. A large rear main compartment is compatible with up to a 1L soft flask and comes standard with a 1L soft flask, complete with dual hose ports for adaptable hydration setups. An additional outer layer pocket provides expanded storage for bulkier items like jackets or insulation while keeping hydration separate.

The pack features an intuitive dual-access system designed for movement, pull up to access the outer pocket, pull down to reach the main compartment, allowing for seamless, blind access on the go. A large kangaroo pocket, zippered storage, and multiple stash zones provide ample organization, including vertical phone storage for quick, secure access.

Oversized side pockets increase capacity, while a dual compression system stabilizes the load and adapts to varying body shapes and carry weights. Integrated cord management keeps excess straps secure and streamlined, eliminating bounce during movement.

Constructed with EnduraMesh XT, the Vertix delivers true 4-way stretch with exceptional durability. Blending high-strength Nylon 66 with UHMWPE fibers, the material expands to accommodate gear while maintaining structure and long-term resilience in harsh conditions.

Light bracket compatible for UltrAspire waist lights (light bracket not included), the Vertix also features shock cord storage for quick-access gear and removable aluminum toggle buckles for pole carry or streamlined customization. Available in three sizes and built on the same fit platform as the Mountain Racer, it offers a secure, familiar fit with expanded capability.

The Vertix Waist Pack is patent pending. 

 

 

Description

The Vertix Waist Pack is part of our Pure Mountain Running line, created for athletes who demand greater capacity, stability, and durability in rugged environments. Built to expand on the proven performance of the Mountain Racer, the Vertix features increased height and volume to accommodate more aggressive carry needs while maintaining a more focused ErgoFit Waist that contours securely to the body. Constructed with EnduraMesh XT throughout the primary body, it delivers a lightweight yet highly resilient build designed to handle abrasion, stretch, and the constant movement of mountain travel.

EnduraMesh XT is a true 4-way stretch mesh that moves naturally with the athlete. Unlike conventional stretch materials that fatigue and lose shape over time, it blends high-strength Nylon 66 with 30% UHMWPE fibers rated up to 15 times stronger than steel by weight. The result is adaptive storage that expands when needed, maintains structure under load, and withstands repeated use in harsh conditions, making the Vertix a durable, high-capacity waist pack built for demanding mountain pursuits.


Recommended Use:
The Vertix Waist Pack is designed for multi-sport athletes and endurance adventurers who prefer a waist-driven carry system with increased capacity and stability. Ideal for ultrarunning, mountain running, canyoneering, and fast-moving backcountry pursuits where efficient access and load management are critical. Perfect for athletes looking to supplement a race vest or carry independently, with the durability and adaptability needed for aggressive terrain and extended efforts.

Key Features

  • ~5L capacity for expanded waist-based carry
  • Built on the proven Mountain Racer platform with increased height for added volume
  • Focused ErgoFit Waist design for enhanced stability and body-contouring fit
  • Comes standard with 1L soft flask
  • Main compartment compatible with soft flask + hose routing
  • Dual hose ports for adaptable hydration setup
  • Intuitive dual-access system (pull up for outer pocket, pull down for main compartment)
  • Large kangaroo pocket for quick-access storage
  • Zippered pocket for secure essentials
  • Secondary outer layer pocket for jackets or bulkier gear separation
  • Oversized side pockets for increased carry capacity
  • Dual compression system for load stabilization and adjustable fit
  • Integrated strap management to keep excess webbing secure and streamlined
  • Vertical or horizontal phone storage for quick, secure access
  • Shock cord system for external carry (jackets, poles, or gear)
  • Light bracket compatible for UltrAspire waist lights (light bracket not included)
  • Removable aluminum toggle buckles for pole carry or streamlined setup
  • Constructed with EnduraMesh XT 4-way stretch mesh with UHMWPE reinforcement
  • Available in Small, Medium, and Large sizes

 

Specifications

Fit: Sized to Fit
Sizes: SM (28–32″), MD (31–34″), LG (33–37″).
Color: Steel Gray
Hydration Included: Included 1 x 1 Liter Softflask w/ Locking Cap
Bottle Compatible: UltraFlask 550 Hybrid Bottle, Softflask 300/500/625/800,1L, Reservoir
Capacity: 305 cu (5L)
Weight:

Additional information

Features

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Total Volume

5 Liters

Product Weight (lbs)

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