Merrell Annex Gore-Tex Trail Walking Shoes - AW16 Leather Oily Leather and Abrasion Resistant Textile Upper - Provides durability. M-Select FRESH - Naturally eliminates sweat and its odour-causing bacteria. GORE-TEX - A fully waterproof, breathable lining prevents the elements from infiltrating the shoe. Bellows Tongue - Prevents mud and debris from getting inside the shoe. Merrell Air Cushion - Provides the cushioning you need for all-day support and the control you need for support in all kinds of terrain.