the critical slide society (TCSS) - Koozie Set of 6, perfect for outdoor activities and camping. - Quantity: Set of 6 - Color: Yellow x Black - Design: Features the Critical Slide logo - Material: Likely a wetsuit-like material Thank you for viewing. I am selling these as I received them as a gift but do not use them. They are unused, but may have some minor dirt or imperfections due to being stored at home. Thank you for your consideration. the critical slide society (TCSS) is a surf brand based on art, founded by Jim Mitchell and Sam Coons, who are based in the Northern Beaches of Sydney, Australia.