Exclusive XSPAN material – Ultra Soft and Comfortable – 250% 4-Way Super Stretch foam neoprene, multi layer, thermal bonded knee pads are perfect for long lasting durability. Rubber: Exclusive XSPAN material – Ultra Soft and Comfortable – 250% 4-Way Super Stretch foam neoprene.Fabric Laminate: Each suit is constructed of 100% XSPAN material, unlike other suits which only offer stretch panels or filler gussets.Construction: All 3/2mm jumpsuits are constructed using our bomb proof flatlock stitching for comfort.Knee Pads: Multi layer, thermal bonded knee pads are perfect for long lasting durability, maximum flexibility and attractive styling.Additional Features: All Jumpsuits feature reliable and proven #10 YKK zippers, Adjustable Collars, Rolled Edges, Zipper Flap and Anatomical Fit arms and legs.