This advanced jumpsuit incorporates three different stretch materials to maximize stretch without compromise to durability and shape retention. It provides an excellent fit to a wide range of people. 7mm GlideSkin chest 7mm Ti-Stretch upper back, lower front & front lower legs 7mm 250% Ti-SuperStretch hips 6mm Ti-Stretch shoulders, sleeve inserts & side leg panels 5mm 250% Ti-SuperStretch underarms, sleeves, crotch & back lower legs Adjustable 250% SuperStretch GlideSkin seal collar Double watertight glued throughout entire suit Blindstitched outside & inside entire suit Back water barrier YKK #10 metal zipper head Zipper pull-tab with Velcro locking Back key pocket Prebent Tatex kneepads Water barrier YKK #8 ankle zippers Slimming effect design Combination of three different stretch materials to maximize stretch without compromise to durability and shape retention. It provides an excellent fit to a wide range of people.