The Rocky 5" Outback Boot Features A Premium, Full Grain Leather Upper With Genuine Breathable Gore-tex Waterproof Construction To Keep Your Feet Dry And You Comfortable While You Spend Time Outdoors. For Additional Long-term Comfort, This Boot Has A Fully Padded Collar, And A (removable) Extra Thick Pu Rocky Airport Footbed With Air Flow Design. The Gore-tex Compatible Knit Linings Are Breathable, Soft And Durable.