Chantelle Essential Leakproof Period Hipster Panty (17P4). The Chantelle Essential Leakproof Period Hipster Panty 17P4 has solid colored microfiber knit for softness and comfort. Absorbent crotch liner has moisture wicking and is leak proof. Low rise panty gives moderate, "cheeky" rear coverage. Chantelle's Essential Leakproof Period Hipster Panty is made of polyamide/elastane/cotton.