Our leak-proof Period Panties are constructed with the newest technology leaving you free from worries and concerns throughout the day. FANNYPANTS® Period Panties are constructed with special textiles and an Award-Winning technology, both working together to absorb leakage and control odor. The outer-layer is composed of a cutting-edge wicking material that is soft to the skin and wicks sweat during any activity. The inner water proof gusset’s lining blocks stains with its anti-microbial technology and acts as a protective buffer between your outer clothing and you. Made in the US with Free domestic shipping.