Sleepers Mens Anthony IV Velour Gusset Slippers Review Posted on July 2, 2018November 9, 2018 by LaserMite Mixed, , Gusset Slipper. Felt Lined. Blown PVC Outdoor Sole. Upper: Textile, Lining: Textile, Sole: Other. Gusset Slipper. Felt Lined. Blown PVC Outdoor Sole. Upper: Textile, Lining: Textile, Sole: Other.