The Alpinestars Atom suit has a two-layer construction with a soft knitted liner for optimum levels of protection, and driver comfort. With a twill outershell and aramid lining for comfort and breathability, this suit is also equipped with a fully floating arm construction, pre-curved arms and legs, and stretch panels on crotch, back and waist for an optimized fit. Regular cuff legs style is FIA 8856-2018 homologated. Boot Cut legs style is SFI 3.4/5 homologated.