Rip Curl E Bomb 5/3mm Steamer Wetsuit, is the ultimate Rip Curl Elastomax 2 (E2) wetsuit on the market. It’s 100% E2 Superstretch Neoprene constructed (the latest in water repellant neoprene that cuts down wind chill) making it the world’s most flexible wetsuit. This fact is undisputed and if you think these are just hype words on a page, ask anyone that’s worn an E2 to confirm it for you.The E-BOMB flex and stretch E2 technology is exclusive to Rip Curl. We’ve been the leaders in wetsuit design for 30 years and it’s a cool thing when we get this amped over a new product. E2 = Flexibility, Seamless Shoulder - For unrestricted paddling. 3/4 Gridlock Zip - Reducing water penetration, Batwing Collar, Blast Proof Knees, Adjustable Collar.