Packed with Alpinestars, MotoGP developed, technology, the SP-1 suit offers many of the latest safety performance and comfort features of the GP rider’s suits with attractive color and graphic options and very competitive price positioning. Ninety degree anatomical race fit. Ergonomically placed Schoeller® stretch Kevlar® panels for optimal flexibility.Leather flex zones on waist and knees.Updated, MotoGP profile, aerodynamic and ventilated back hump for improved streamlined performance and cooling.1.2 – 1.4mm premium full-grain leather for excellent abrasion resistance. Removable CE certified GP protectors with injection molded shell and dual density foam padding. Multiple stitched main seam construction for maximum tear resistance. Replaceable PU GP knee sliders. Secure snap connection system on back for Alpinestars Bionic Race protector which is available as an optional accessory.Internal chest protection compartments with PE padding inserts (Alpinestars Bionic chest guards available as accessory upgrade).Alpinestars race construction neoprene sleeve cuffs for added comfort.Perforated leather panels for increased cooling. Removable mesh liner.YKK Semi Auto Lock zippers.Microinjected logos.