Aqua Sphere's entry-level wetsuit features both a great price point and quality materials and construction! Male fit. Bio-Stretch Zone: Strategically placed 1mm stretch zone - allows for max range of motion Aqua-Drive Technology: Strategically placed panels designed around the core of the body, which acts as the primary planing suface while swimming. Aqua-Drive is engineered to maximize buoyancy, resulting in improved body position in the water which reduces drag and increases a swimmer's efficiency. Grip Protection System: Specially designed fabric application that minimizes friction and creates a shield over the wet suit in order to maximize the life of the suit. Quick Drying Aqua-Flex Collar: Watertight seal with maximum comfort throguh its double layer, ultra-fine design which minimizes neck chaffing 100% UVA/UVB Protection Super Stretch Fabric Yamamoto #38 Material: Yamamoto offers the optimum balance of flexibility, reduced drag coefficient, and durability. Thermo-Guard: Thermo-Guard technology provides warmth and maximum flexibility and range of motion in the shoulders, legs and chest.