MERLI-FR by Toni Pons.Closed-toe house slipper for women.It is made with recycled felt from plastic bottles collected from the ocean.It is made in contrasting solid colors.The interior is lined in fabric and has an elastic in the back that makes it fit perfectly to the foot.The sole is flat, 1cm thick and made of rubber.It has a removable insole with a 2.5cm wedge in the heel area that attaches to the outer sole and gives the slipper a total height of 3.5 cm.This model fits true to size.