Soft and sheer feeling when against your skin these high cotton content charnos invisible cotton shoe liners allow your feet to breathe and stay cool better than nylon based shoe liners while still being semi opaque in case of wearing with peep toesthe liners in this twin pack have an ultra low fit and skinny hem on the uppers to ensure that they remain hidden below the edge of most shoes with a seamless construction for comfort in even close fitting of heels or court shoes