The Rise Flux Four is a technical mid-distance trail running sock with H4 height (8 cm above the shoe), part of the limited-edition Spirit Flux collection. It blends performance and aesthetics for a complete and distinctive look. Featuring an ergonomic +A fit, non-slip instep band and seamless construction, it prevents chafing and stays in place. The AWC2+ plantar structure offers targeted cushioning and ventilation at high-impact zones. Equipped with Bmax Tetra technology to manage sweat, reduce friction and prevent blisters, and finished with the Antiodour Base Layer for natural antibacterial protection. Ideal for sessions between 1.5 and 4 hours.