Haflinger Vino slipper. These innovative and fun slippers are made with soft and cuddly boiled wool and feature a grapes design on the right slipper and a wine glass design on the left. The wonderful arch support feels like a built-in foot massage. These innovative and fun slippers are made with soft and cuddly boiled wool and feature a grapes and wine glass design. The wonderful arch support feels like a built-in foot massage.