Engineered from 100 japanese yamamoto neoprene 2xursquos w1 is designed for triathletes demanding optimal flotation and flexibility without the expense proprietary 2xu features include concave water entrapment zones cwez on the forearm rollbar for enhanced body positioning floating zip panel for extended reach and 39 cell front buoyancy panel for elevation in the water bringing top end technology to entry level triathletes 2xu has also included velocity strakes in a scs coated front