The Advance wetsuit provides durable support and comfort for entry level triathletes. SpeedFlo fabric is used on 70% of the wetsuit for a sleek, drag-free experience in the water. The rest is a rubberised smoothskin neoprene built around core support buoyancy panels that encourage the body in to the most efficient alignment for a faster, easier performance. Extreme Flex fabric in the underarm panels create flexibility in the shoulders and arms for a comfortable stroke. Pro-Speed Cuffs and a downwards YKK zip make it quick and easy to transition between stages.. Material: 70% SpeedFlo/30% Neoprene