CHECK THE SIZE CHART (in the image section above) The New Women's Orca 3.8 Fullsleeve Wetsuit in black and orange is designed for the progressive swimmer that needs a boost in buoyancy. The 3.8 was designed with the goal of elevating the position of the triathlete in the water, with the most advanced buoyancy technologies on the market, Aerodome and Exo-cell; without compromising elasticity when it comes to swim strokes, with Yamamoto 40. The new Orca Equip Triahlon Wetsuit is a fantastic addition to the Progressive swimmer wetsuit range. Orca have examined and tested the different types in the triathlon range and have identifed three general types, The Natural Swimmer; made for flexibility, The Total Swimmer; for better flexibility and increased buoyancy and The Progressive Swimmer; for maximum buoyancy. High Elbow Panel (HEP)The new 3.8 incorporates High Elbow Panel technology, which gives you more stability by keeping your elbow evelated with every stroke. After numerous biomechanical studies to improve stability, this panel has been stategicaly placed to supprt, without limiting flexibility. Core Lateral Stabilizer (CLS)The Core Lateral is a system of panels located in the lower body that limits twisting, blocking your core. With this technology, you can maintain good technique for longer. Eco-cellExo-cell technology is incorporated throughout the lower front panel, providing maximum buoyancy. This low-density material will bring your legs to an elevated horizontal position. 1.5mm 40 cell neopreneOn top of providing maximum buoyancy, the 1.5mm 40 cell neoprene in the shoulders, gives you the extra flexibility you need to keep from overloading your shoulders. Features-Yamamoto 44- Super Composite Skin (SCS)-Infinity Skin-Hydrolite-High Elbow Panel(HEP)