7 mm FULL SUIT features double-sealed adhesive and blind-stitching for seam integrity. Exclusive thumb loop at base of zipper for easier on and off. Full suits feature O-ring seals at wrists and ankles. Made of the world's highest-grade closed-cell neoprene, which provides thermal protection and durability. Super-flexible Thermoskin. Top-quality YKKTM zippers and zip flaps to minimize entry of water. Glued and sewn rubber kneepads deliver maximum flexibility, durability and cushioning. Suits are cut in the swim position for more flexibility and comfort. 7 mm TWO PIECES. Durable vulcanized molded knee pads. Glued and blind-stitch seams. Articulated arms and legs for maximum comfort and flexibility. Patterned to fit a wide range of body types. Top-quality YKKTM zippers and zip flaps to minimize entry of water.