Material 500 D polyester 900 D polyester reinforcements on crash zones 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 Vent: ventilation zips Comfort Humax® membrane: 100% waterproof, 100% windproof, breathable detachable thermo lining