The Stealth from Alders uses the finest quality materials in its construction constructed with a high attention to detail. X Stretch on the sleeves and under arms combined with standard neoprene for the lower body adds up to a top value wetsuit.Product Information:• Product Code: WW19JSTCL-Y• Seams: Glued & Blindstitched• Fabric: Main Body / 4mm Neoprene• Fabric: Arms & Shoulders / 3mm Floflex Neoprene• Fireline Inside Torso• Duratech Knee Pads• PK Plastic Zip• Single Lined Torso