ERGONOMICS Anatomical asymmetrical cut, differentiated for right and left foot Ankle support for a better comfort and driving precision Compression lines to sustain muscles: lower vibrations and optimization of blood circulation Footbed compression for increased blood circulation The grip on the sole of the foot is to prevent slipping inside the shoe Unisex size chart: S= 38-40; M= 41-43; L= 44-47 TEMPERATURE Ventilated mesh panel on the back of the foot: optimization of thermoregulation and breathability