Sumarpo Vanguard Sleeveless Wetsuit Features: ● Yamamoto Aeroatom cells● Yamamoto #39 SCS neoprene● Low modular tech● Eco-based & Hypoallergenic materials● Stable Trinity Support System● Quick-release ankle panels● Ergonomic-designed collar● 2-year warranty NEOPRENE THICKNESS: ● Chest: 5mm● Back: 2.5mm/3mm● Upper legs: 5mm● Lower legs: 3mm