Worn once, indoors. Seam sealed waterproof construction keeps feet dry in wet conditions. Not sure if these are considered brown or tan but please zoom in on pics for color and details on condition before making a purchase. Super, super comfortable with ECA removable insoles. Sturdy rubber outsoles will keep you stable in all conditions. This model of Merrell not is no longer manufactured or sold online or in stores. Retailed for $159!!! What a deal! If you have any questions please ask and I will respond shortly! Thanks for looking!