Mystic Wetsuits - Mystic Crossfire 3/2mm Back Zip Shorty Wetsuit - Blue :: Men > Wetsuits. 100% Glued and blind stitched: Resulting in optimum warmth and movementOverhead back up : Helps to prevent the dreaded flushKey pocket: YesM-Flex neoprene 60%. Soft Touch neoprene 40% : For perfect flex-ability\n and warmthMen's wetsuitGlideskin double neck construction : Helps to avoid any flush or rashingThickness: 3/2mm Size: Small.