Sexy Women's (2-pack) Sheer Crotchless Nylon Pantyhose Open Back, Open Crotch 2-Pack Sheer Crotchless / Open Crotch Pantyhose with flirty open front and back Choose from 2 pack: Black, Nude or Black+Nude Pantyhose are sheer nylon. ALWAYS USE CARE when putting on. One Size usually fits 90-160 lbs. (may run small if you are on the higher end of the weight/height spectrum. Hand wash and hang dry.