Martis Iced Coffee Pinterest. Introducing Martis Iced Coffee from the Slippers Collection. These classic suede slippers provide excellent support and durability for both indoor and outdoor wear. The naturally warm wool blend lining hugs your feet, keeping them cozy while you run errands or relax with a good book. Experience the comfort and quality of Martis Cocoa. * Treated with BearCoat Rain & Stain Repellent Colour: Iced Coffee 50% Wool, 50% Synthetic