The Alpinestars GP Plus v4 Sprint 1-Piece Leather Suit is engineered for race-focused performance, protection, and comfort. This black, red fluo, and white suit is a US 42 / EU 52 race-fit model designed with a highly pre-curved body, arms, and knees for an optimized riding position. Manufactured by Alpinestars, it features Flex Plus racing-grade bovine leather with dual layers in exposed areas for strong abrasion resistance, supple flexibility, and adaptive comfort. The manufacturer and vendor part number is 3150225-1231-52.
The suit is designed for easy integration with the Alpinestars Tech-Air 7x Airbag System and can accommodate the Tech-Air 7x sleeve display and Tech-Air 10 wireless display. Fully perforated leather panels improve airflow and breathability, while Composite Stretch A-CS technology on the back panel provides enhanced movement, comfort, and ventilation with a lower-profile construction than traditional leather accordion panels. A-CS Tech offers 30% elongation, increased tear resistance compared with HRSF, and improved cut resistance versus leather. Aramid reinforcements at the elbow flexion zones add strength in high-stress areas.
Protection is provided by race-spec GP-R armor at the elbows, knees, and shins, along with Nucleon Race shoulder armor for impact protection and abrasion resistance. GP DFS sliders provide effective friction control, and the removable elbow sliders allow adjustment for individual riding preferences. MATRYX material on the shin combines high air permeability, flexibility, and a strong resistance-to-weight ratio through engineered performance zoning. The suit also incorporates Alpinestars' Race-spec Supertech R10 aero hump, developed to work with the Supertech R10 helmet for streamlined aerodynamic performance in a tucked racing position. Model: GP Plus v4 Sprint 1-Piece Leather Suit. Brand: Alpinestars. Size: US 42 / EU 52. Part number: 3150225-1231-52.
Features:
- Race-grade one-piece leather suit with a highly pre-curved race fit for enhanced riding performance
- Flex Plus racing-grade bovine leather with dual layers in exposed areas for abrasion resistance and flexibility
- Designed for integration with the Alpinestars Tech-Air 7x Airbag System, Tech-Air 7x sleeve display, and Tech-Air 10 wireless display
- Composite Stretch A-CS technology provides breathability, comfort, elongation, and improved freedom of movement
- Fully perforated leather panels promote airflow and breathability
- GP-R armor at the elbows, knees, and shins provides extended coverage in key impact zones
- GP DFS sliders offer race-proven friction control with removable elbow sliders
- Nucleon Race shoulder armor delivers impact protection and abrasion resistance
- MATRYX shin construction combines high air permeability, flexibility, and a strong resistance-to-weight ratio
- Aramid reinforcements strengthen the elbow flexion zones
- Supertech R10 aero hump supports streamlined performance when paired with the Alpinestars Supertech R10 helmet
- Size US 42 / EU 52; manufacturer and vendor part number 3150225-1231-52