Syncro wetsuits combine the higher end features of a cold water suit at the best possible value. Using a take down from AG47 Dry Flight Far Infrared Heat thermal lining is placed in the chest and back watershield to provide retained body heat. It also uses F Model: Boys Syncro steamerFit: FullsuitComposition: 92% Nylon/Polyamide 8% ElastaneEntry: chest zipThickness: 4/3mmFN Lite neoprene: This neoprene is packed with air cells for the lightest of lightweight warmthDry Flight far infrared heat technology thermal lining retains body heat by conducting it back into the liningTriple glued & blind stitched (GBS) seams that reduce sew throughs & water entry to keep you warmerThermal Smoothie Neoprene: Wind & water repellent to keep you warmer this thermal neoprene is incredibly flexibleEcto-Flex Knee pads: Durable lightweight and flexible outer knee pads that protect you and your boardHydrow :: Boy > Wetsuits. Temperature Rating: Suitable for water temperatures of 8 - 13 Degrees CelsiusHydrowrap Neck Fastening: Adjustable neck fastening system for a watertight sealGlued and Blind-stitched: Tripled glued. double stitched seam allowing high stretch. strength. and minimal water entryHydroshield Water Barrier: Stops water from entering the suit through the zipWater-block semi dry zip: Featuring coated. off-set teeth to create a watertight seal that minimises zip flushDry Flight: Infared heat technology thermal lining to keep body heat by conducting it back into liningGlideskin Neck Seal: Super smooth neoprene liner for extra comfort and protectionFN Lite Neoprene: The lightest warmth with neoprene packed with air cellsMaterials: 92% Nylon/ Polyamide. 8% ElastaneThickness: 5/4/3mmEcto-Flex Knees: Lightweight. durable and flexible knee padsThermal Smoothie Neoprene: Flexible neoprene that is wind and water repelle Size: 09-10 YRS,11-12 YRS,05 YRS.