The closed wefted hairpiece used in the Encelia Active® | Hat system features the same ultra-breathable cooling spandex mesh that is used in our workout wig. This material prevents itch and scalp irritation. Additional features are: Ultra strong and wide stays that allow the hairpiece to adhere to the temples & the nape, which prevent slippage from occuring PU tabs located at the ear tabs and the nape, allow you to easily use waterproof tape and glue for the days you need extra security