Aqua Lung Women's AquaFlex 7mm Wetsuit (New 2017) X-tend cuffs, an Aqua Lung exclusive. Most suits in the market today use edge tape on the cuffs to create a finished look. Unfortunately, edge tape restricts the stretch of the cuff. X-tend cuff technology provides a finished look without sacrificing stretch. Try one on and you will feel the difference Skin-in neck seal provides comfortable stretch and seals out water. Closes with hook and loop. The inside slippery soft material makes donning the suit a breeze The zipper has tighter teeth tolerances to minimize water transfer. Three way zipper seal minimizes water entry. Spine pad is integrated as part of three way zipper seal Kidney pad for additional insulation in this high heat loss area. The knee pads are durable and stretchy for comfort. Seam lines provide an even better fit and make the suits more flattering Improved neck closure eliminates chafing while providing maximum comfort. Heavy duty Plasmaloc zipper. Glued and blind-stitched seams. Pre-bent anatomic legs and arms