Zan Headgear Neoprene half Face Mask Skull. Neoprene 1/2 face mask features full coverage of nose, chin, and cheeks. Stretchy neoprene material is warm and water resistant. Lined with black stretch nylon trim. Patterns are reversible to solid black material. Velcro closure ensures great fit with goggles, with a helmet or without. One size fits most. Skull Design.