UPPER: Water-repellent microfiber for soft feel. Asymmetrical lacing. Removable anatomical insole with Shock-Absorber in the heel. OUTSOLE: PU with Lotto's Twist'n go technology. Twist'n go is a pivoting aluminum stud that improves, speed and stability. Puntoflex for flexibility. Stitched outsole for added durability. For use on firm, natural surfaces. WEIGHT: (10 oz.) Imported.