This is the 7/6/5mm Tilos Women's Delphite Superstretch Scuba Diving Wetsuit Jumpsuit Features: 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 Quadruple 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 Suprememly stretchy and comfortable materials gives this ultimate freedom of movement.