CHECK THE SIZE CHART (in the image section above) FEATURES OF THE MEN'S JAKED CHALLENGER WETSUIT: Multi-thickness one piece wetsuit designed for triathlon and extreme open water swimming. Ideal for both training and performance wear. Striking new design accentuates and echoes the masculine muscular frame. Tessuto technical neoprene with hard-wearing, scrape resistance. Comfortable, high-stretch lining around the chest area for ease of wear. Special inner joints for a perfect waterproof seal. 3mm Neoprene around the torso for compact, core strength and thermal insulation. 1.5mm Neoprene on the shoulders, forearms and legs for optimal freedom of movement. 4.5mm Neoprene to the front of the thighs to increase legs' buoyancy. 1.5mm double-layered folded collar for a smooth, seamless and comfortable fit. Inner tape to bring the whole suit together in perfect cohesion and deliver absolute waterproof sealing. Professional zipper with metal slider. Fabric: 90% Neoprene / 10% Nylon Colour: Black / Red About: Jaked's relatively recent arrival on the swimwear scene in 2008 with the "Super-body J01”, transformed elite swimming and set unprecedented performance standards. Their ethos of research, development, proto-typing through to extensive testing, has now been used to superb effect in their Triathlon range. Their extensive collection is engineered to equip every triathlete and open water swimmer for the challenges ahead.