The Forma Swift Flow boots are another beautiful design from Forma. They have certified protection complete with anti-crush sole, heel reinforcing, & internal plastic malleolus ankle protection. The Swift Flow boots always stay cool & comfortable, & are a nice compromise between safety & style. Features Certified protection according to EN 13634:2017 Level 1-2-2-2 Vented Full grain leather Urban sole Ankle Malleolus TPU Reinforced Heel Safety Lace closure Anti-shock EVA mid-sole Technical insole European production Outer Features Vented full-grain leather upper New personalized Forma double density rubber sole with shock-absorbing heel insert Reinforced ankle protections Padded tongue & extra comfort collar Lace closure with reinforced eyelets Rear reflective insert Inner features Air mesh lining Ankle TPU molded plastic protections Reinforced heel & toe areas Soft polymer padding with memory foam PP Mid Dual Flex with anti-shock felt midsole Antibacterial replaceable footbed with A.P.S. (Air Pump System)