Alpinestars KMX 5 Kart SuitComplies with the CIK FIA Level2 new standard homologationTechnical three-layer construction that meets new homologation standards, featuring an 100 polymide outer shell and poly-cotton twill membrane and poly-toweling lining for comfort, durability and fit. Engineered design for durability, minimal material bunching and high levels of abrasion resistance while the poly-toweling lining offers excellent moisture-wicking. Mesh panels positioned on under arms, seat area, sides waist, bottom leg for optimized levels of ventilation. Semi-floating (3/4) shoulder gusset construction with stretch material provides improved freedom of movement. Stretch inserts around the lumbar area for enhanced flexibility while in and out of the kart. Knitted wrist and ankle cuffs provide a snug fit and help prevent unwanted movement of suit. Adjustable collar and Velcro® waist belt allows a tight, personalized fit. Two flat pockets offer a convenient storage option for those times away from the driving seat. Premium YKK zippers with Alpinestars zipper pullers, plus double slider for versatile and customizable fit. Alpinestars Formula 1-styled shoulder epaulettes.