Design: Breathable mesh upper promotes airflow while maintaining durability and flexibility. Additional lightweight synthetic materials add support and move with the foot Padded Flexible Collar design enhances fit and comfort while remaining flexible and supportive through a wide range of motion Tongue Gusset is an ergonomic and narrow tongue design that prevents bunching while the internal flexible gusset keeps the tongue aligned in in the proper position Lace garage covers up any loose ends that might hang free or get in the way Durability & Traction: Full-length low-profile outsole reduces weight while maintaining superior traction and maximizing contact with the mat Outsole Drive Points provides grip and support through key areas of contact with the mat while the articulating rubber design enhances traction through a wide range of angles Polyurethane Footbed Liner provides superior shock absorption while maintaining a low profile and close to the mat feel