Made of Hybrid-Neoprene-Mesh Material Construction, these head covers are thick, soft and stretchy, making them the ideal head covers! They will keep your hybrids safe from impacts and scrapes, eliminate their clanking and are as easy to put on and take off as a sock. Each head cover uses 1/8" thick neoprene foam for maximum protection and has a large, easy-to-read number tag for quick identification. Designed to be stretchy and made with a large hole, these head covers will fit ANY hybrid in either dexterity! Dont go another day without these head covers protecting your hybrids!