The Rise Flux Four is a technical mid-distance trail running sock with H4 height (8 cm above the shoe). A limited-edition design from the Spirit Flux collection, combining performance and style for a total look. It features an ergonomic +A fit, a non-slip band on the instep, and seamless construction to prevent chafing. Its AWC 2+ sole structure provides cushioning and targeted ventilation at high-impact points. Equipped with Bmax Tetra technology, it manages sweat, controls friction, and reduces the risk of blisters. The Antiodour Base Layer mesh adds antibacterial, anti-odor protection. Ideal for sessions lasting 1.5 to 4 hours.