The Men's Zipmold Liner w/ Visor is designed to take your winter helmet into the warm summer months.
Not sure if the Zipmold Knit Liner is what you need?
Is your Helmet a Brentwood, Allston, Morrison, Rollins, or Kingston?
Does the back of your helmet say "Zipmold"?
If you have any of those helmets and/or the back of your helmet says "Zipmold" then this is the product for you.