Luigino introduces: Barefoot Booties – to be worn with quad, inline, ice boots and/or cycling shoes. -Neoprene outer with a soft absorbing inner -2mm allows a more snug fitting boot -Excellent barefoot replacement -Improved comfort -Reduced blisters (for some eliminate altogether) -Easier Break-in on new boots -Better longevity of your boots (vs. using barefoot) -Increased performance over socks