Scubapro Everflex 5/4 mm Men's Glideskin seals at the wrist, ankles and neck to minimize water transfer Ankle zippers with Glideskin seals Smooth-cut neckline for enhanced non-pulling comfort Compression-molded combination zipper flap/spinepad to reduce water entry and improve back protection Nylon webbing thumb loop at base of back zipper for easy donning.