Get free shipping and sales for the Merrell Oslo Waterproof Black Footwear The ‘Oslo Waterproof’ boot from Merrell is one smooth winter operator. Waterproof, full-grain leather upper with free-form stitching accents for an earthy look. Fashionable cuff is soft to the touch and adds a pop of visual appeal and interest. Side-zip entry eliminates frustration by ensuring effortless on/off wear every time. Shaft lined with synthetic fur and Polartec insulation that gang up on cold and snow. Synthetic fur insole utilizes Aegis antimicrobial treatment to keep feet comfy and healthy. Artrek sticky rubber outsole maintains traction and grip to save you from slips.