Ilse Jacobsen Hornbaek Tulip Slip-On Gray Shoes US Size 6 1/2 - 7 EU 37 Color: Gray Description from website: Perforated man-made upper Easy slip-on design Soft microfiber linings Lightly cushioned footbed The shoe is made of recycled microfiber The upper construction is made without any glue This light weight shoe is perfect for any occasion Practical, very comfortable and has a great appearance Flexible outsole made of natural rubber Breathable and perfect for travel This style comes with a transparent outsole Removable cushioned insole Heel Height 1" Smoke/pet free home