Alpinestars GP Plus V4 Sprint One-Piece Leather Suit. Race spec GP-R armor on the elbow, knee and shin offers extended coverage for additional protection in key zones. Race-proven GP DFS sliders with removable elbow sliders for effective friction control. Nucleon Race shoulder armor for superior impact protection and abrasion resistance. According to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply: Fully CE-certified riding garment to CE - Category II EN17092 standards - AAA class. HRSF (Hyper Resistant Stretch Fabric) for high abrasion and tear resistance, and exceptional freedom of movement. MATRYX® on the shin is engineered to offer maximum resistance-to-weight ratio together with high air permeability and flexibility, with engineered zoning to boost the performance where needed.