Alpinestars GP-R7 One-Piece Leather Suit. 1.3 mm "Race" spec soft bovine leather construction incorporating dual layers in critical areas for optimized flexibility and abrasion resistance. Pre-curved arms, legs and body for an enhanced "Race Fit". Equipped with Alpinestars Nucleon PLASMA Pro CE Level 2 armor, delivering the optimum balance of force dispersion, flexibility and comfort. Incorporates Alpinestars "Race" spec Supertech R10 aero hump, for optimum streamlining and aerodynamic performance. Ultra-vented design with extensive perforations across the full torso and thighs, for maximum airflow, ventilation, and breathability. Replaceable GP Knee Sliders are constructed using an exclusive PU compound to deliver exceptional feel and enhanced durability. Extended multidirectional leather accordion at shoulder blades, lower back, and knees. Detachable comfort liner.