One of our most popular options, the Koolin' Klothz Hard Hat Inserts are the perfect solution for workers who spend long periods of time in the heat and want a smarter solution for keeping them cool all day long. Sewn in the U.S.A., these inserts are durable and washable enough to be washed over and over again and still retain it's original, comfortable quality. Use them repeatedly for years and get the same great results - everytime.
