4/3mm Sessions - Chest Zip Wetsuit for BoysFeaturesStretchFlight neoprene for increased warmth and comfort without sacrificing flexibility24% less CO2 emissions per wetsuitLimestone-derivate eco-friendly neoprene made from scrap rubber tires and Bluesign® certifiedLining: WarmFlight® thermal fleece liningExternal seams: GBS [glued and blindstitched] seams for maximum flexibility and minimal water entryTaped internal seamsEntry: Chest zip entryKey loopAqua Alpha, non-toxic, water-based gluesDrainage holes