Fortux GTX - ex-Sample Shoe size:8 The Winter Sock incorporates PrimaLoft

The Winter Sock incorporates PrimaLoft insulation and wool into the sock to provide extra warmth in winter conditions

The lightweight upper uses a traditional rugged leather construction with Gore-Tex for weather protection

married to a carbon composite propulsion plate and with a racy drop and curved sole profile mean the Madrix Evo is the perfect shoe for competitive trail running

improving your grip on very cold

The Innox Evo II GTX has been designed for maximum comfort

Fortux GTX - ex-Sample Shoe size:8 The Winter Sock incorporates PrimaLoftAnyone who has ever run an ultra knows how important it is to be able to brave the elements. Depending on terrain and route, it is not uncommon to encounter all four seasons along the way. In preparation for all eventualities, the new FORTUX GTX is equipped with a waterproof, breathable GORE TEX membrane which enduringly protects running feet from getting wet.