Knit in a breathable technical fibre to optimise the performance of shoes with breathable membranes. Ultra-fine: second skin effect with areas of strapping for greater stability. Pressure shield on the plantar vein for an energising boost. Short upper. Climasocks® patented thermo-breathable technology. Suited to trail running. Certified STANDARD 100 by OEKO-TEX®N° 1105067.0, CENTROCOT.