Ultra-running model that combines the strongest protection and comfort in the series.

For long and enjoyable running, the "Extra Protection Trail Run" combines far greater protection and comfort than the rest of the series.

It is no exaggeration to say that these socks are designed to prevent "blisters" and improve performance.

The patented BlisterGuard system was developed to prevent foot problems during ultramarathons and other long-distance running events, and features a low-friction PTFE (polytetrafluoroethylene) fiber woven into the panels that wrap around the foot to ensure protection against blisters and shoe slippage during long-distance running. The BlisterGuard system is a patented technology developed to prevent blisters and shoe slippage during long distance running.

During long distance running, such as trail running, the inside of the sock is filled with moisture, which significantly increases friction (stickiness) between the sock and the skin.
Our unique DUAL LAYERS SYSTEM prevents this from happening.The higher the friction, the higher the risk of causing blisters.

They are also ideal for more extreme conditions, long races, and winter running due to the thicker material used.