Material 500 D polyamide 600 D polyamide reinforcements on crash zones leather reinforcements on knee KEVLAR® fabric on calves as heat protection Safety YF knee protectors according to EN 1621-1:2012 upgradable with hip protector SAS-TEC SC-1/07 according to EN 17092-4:2019 Ventilation Air Flow: Cordura® AFT panels for an effective ventilation Comfort detachable Humax® membrane: 100% waterpoof, 100% windproof, breathable