lurbel-stone-pro-merrell-skyrunner-world-series-2

Special Edition · Merrell Skyrunner World Series 2026

Stone Pro
Merrell SWS

The official sock of the global skyrunning circuit. Designed to dominate the most demanding distances.

Bmax Tetra
AWC Structure
SKYRUNNING / TRAIL RUNNING

Stone SWS Pro Four · Black / White

Colorway 01

Black / White

A classic, timeless combination.
Lurbel and MSWS logos in white.

Shop Black / White

Stone SWS Pro Four · Royal Blue / Light Blue

Colorway 02

Royal Blue / Light Blue

A bolder colour combination.
Lurbel logos in “light blue” and MSWS in white.

Shop Royal Blue

Shared features

Seamless perimeter

Asymmetric L/R structure

Self-ventilation zones

Double-density cuff

Technology · Bmax Tetra

Smart protection
for your skin

Powered by Bmax Tetra, a blend of Regenactiv® fibre that acts directly on the skin and a multi-channel structure that expels moisture quickly. The result: less friction, less overheating and greater comfort on every climb.

01 Dermal protection: less irritation and friction-related overheating.

02 Fast sweat evacuation to reduce internal moisture.

03 Prevents blisters and chafing.

Bmax Tetra

+ More about Bmax

Bmax Tetra in action

Footbed structure · New system

AWC: Air Waves Comfort

Mountain-optimised cushioning system with relief waves and integrated ventilation channels.

AWC system

Relief waves

Provide plush cushioning that absorbs impacts on uneven terrain without adding weight.

Ventilation channels

Ensure rapid moisture dissipation, keeping the foot dry at all times.

Stone Pro Skyrunning

Official Technical Sock of the Merrell Skyrunner World Series

Stone Pro detail

Trail running

Skyrunning community

Technical terrain

Background

Limited edition · Coming soon

Don’t miss out
on yours

Subscribe and be the first to know when the Stone Pro x Merrell SWS is available. Limited stock.

+ Lurbel x Skyrunner

Expected availability

Spring 2026