DESCRIPTION The RACE is designed as a 'performance advancer' wetsuit without deflecting from Great Flexibility, Medium Buoyancy. NEOPRENE THICKNESS ● Chest: 3 mm● Back: 1.5 mm/3 mm● Arms: 1.5 mm● Upper legs: 5 mm● Lower legs: 3 mm BUOYANCY Yamamoto SCS #39: The low-density molecular structure of Yamamoto 39 makes this neoprene highly buoyant. Chest: 3mm Yamamoto SCS #39 Upper legs: 5mm Yamamoto SCS #39 FLEXIBILITY 1.5 mm Yamamoto #39: Premium Yamamoto #39 SCS neoprene on the shoulders, sleeves & underarms reach 580% elongation to maximize your flexibility when facing challenges. SQ-Flex Stretch Inner Lining Fabric: The SQ-Flex fabric offers exceptional flexibility, especially in the shoulders and arms, allowing for unrestricted movement. THERMAL GBS: Opt for the GBS system with non-benzene glued blind stitched seams and inner waterproof tapping for unbeatable insulation and comfort. Double-layer: The dual-layer Yamamoto #39 SCS collar design ensures superior comfort and minimizes skin friction and water infiltration. SPEED 3D Silicone GSP System: The re-engineered groove shape paddles gives more propulsion and unprecedented speed. SCS Coating: The Super Composite Skin reduces the surface drag and is easy to clean. Low Modulus Tech: Using low modulus tech (LMT) can reduce physical consumption and improve the efficiency of the swim stroke.