The Alpinestars GP Plus v4 Sprint 1-Piece Leather Suit is engineered for serious track performance, combining race-grade protection, aerodynamic design, comfort, and mobility. This black, red fluo, and white suit is offered in US 40 / EU 50 and features a highly pre-curved race fit through the body, arms, and knees. Its integrated design supports easy installation of the Alpinestars Tech-Air 7x Airbag System and can accommodate the Tech-Air 7x sleeve display or Tech-Air 10 wireless display, making it a versatile choice for riders seeking advanced airbag compatibility.
The suit uses soft, supple bovine Flex Plus racing-grade leather with dual layers in exposed areas for dependable abrasion resistance and flexible movement. Fully perforated leather panels promote airflow and breathability during demanding riding sessions, while Composite Stretch A-CS technology on the back panel provides a lighter, lower-profile alternative to traditional leather accordion panels. A-CS technology offers approximately 30% elongation, improved tear resistance, enhanced cut resistance, and increased freedom of movement. Aramid reinforcements at the elbow flexion zones add strength in a high-stress area, while MATRYX material on the shin combines high air permeability, flexibility, and an optimized resistance-to-weight ratio.
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. Race-proven GP Dynamic Friction Shield sliders help control friction, and removable elbow sliders allow setup flexibility. The suit also incorporates the Alpinestars Race-spec Supertech R10 aerodynamic hump, designed to work with the Supertech R10 helmet for improved streamlining when riding in a tucked racing position. The brand is Alpinestars, and the manufacturer and vendor part number is 3150225-1231-50.
Features:
- Race Fit: Highly pre-curved body, arms, and knees support an aggressive riding position.
- Airbag Compatibility: Designed for integration with the Alpinestars Tech-Air 7x Airbag System and compatible display options.
- Racing-Grade Leather: Flex Plus bovine leather provides abrasion resistance while maintaining flexibility and comfort.
- A-CS Stretch Technology: Composite stretch construction improves breathability, elongation, tear resistance, cut resistance, and mobility.
- Ventilated Construction: Fully perforated leather panels enhance airflow and breathability.
- Race Protection: GP-R elbow, knee, and shin armor delivers extended coverage in key impact zones.
- Shoulder Armor: Nucleon Race armor provides impact protection and abrasion resistance.
- Friction Control: GP Dynamic Friction Shield sliders support effective slide management, with removable elbow sliders.
- MATRYX Shin Panels: Engineered for high air permeability, flexibility, and an optimized resistance-to-weight ratio.
- Aerodynamic Design: Supertech R10 race-spec aero hump is designed for use with the Supertech R10 helmet.
- Reinforced Flex Zones: Aramid reinforcement adds strength at the elbow flexion areas.
- Part Number: Alpinestars manufacturer and vendor part number 3150225-1231-50.