New Sergio Grasso line for endurance with technology that provides maximum comfort to the foot, non-slip sole, 100% waterproof and breathable. Anatomical Ortholite insole to avoid foot fatigue and neutralize odors, quick lace closure and elasticated collar. The lining is made of Sympatex, a fully recyclable, absorbent material capable of eliminating humidity inside and increasing comfort. Available in acid green and black.