Quiksilver Boys Everyday Sessions 4/3mm Chest Zip Steamer Fullsuit Wetsuit Quality and value are at the core of the Boy's 4/3mm Everyday Sessions Chest Zip Wetsuit. Our exclusive StretchFlight ECO neoprene and lined with WARMFLIGHT ECO VELVET provided supreme mobility and exceptional warmth to keep you in the water longer. Features Neoprene: StretchFlight ECO neoprene Lining: WARMFLIGHT ECO VELVET zoned thermal lining Seams: Triple glued and blind stitched (GBS) seams reduce sew-throughs and water entry Taped internal seams in critical zones Entry system: Chest zip entry Key loop AQUA GLUE eco-friendly lamination