Waterproof W30 2.5mm Men's Fullsuit WetsuitW30 2. 5mm Men's Fullsuit Wetsuit At times we are told that our suits are too warm and excessively well built. We are willing to live with that kind of criticism. To address the fact that our standard suits are considered too warm under certain circumstances, we devised a clever solution. We recommend that you buy a thinner suit preferably the W30 Sport Series from Waterproof. To keep the professional divers happy, the Waterproof W30 2. 5mm full suit