Tulip Felt Slipper By Ilse Jacobsen Hornbæk. These Loafers Are Thoughtfully Designed With A Felt Upper That Effortlessly Meets Our Comfortable And Flexible Iconic Tulip Outsole, Composed Of 75% Natural Rubber And 25% Recycled Rubber, Expertly Stitched With Matching Recycled Thread – No Glue In Sight. With A Selection Of Four Distinct Colorways, These Slippers Combine Comfort And Style To Enrich Your Daily Life. Step Into The World Of Cozy Sophistication With This Timeless And Tasteful Choice.