Men's Hey Dude Shoes Wally Free - Light Grey With the Hey Dude Wally Free Shoe, keeping comfortable has never been easier. Not only does it have the classic Hey Dude design, which uses bi-component materials to give you a lightweight and breathable construction, but it adds to that with air mesh lining on the sides for improved airflow. The true start of the Wally Free Shoe is the unique insole and outsole construction, which is designed to allow air to pass through effortlessly, while also using a poly mesh insole to keep grit out of the shoe. What you end up with is a lightweight, stylish, and comfortable shoe you can take just about anywhere. DETAILS: Made from Bi-component knit fabrics Unique airflow mesh inserts at the side and ventilated outsole Stitched seams increase durability and comfort Flex & Fold Technology keeps these shoes extremely lightweight Breathable fabrics keep you comfortable and fresh Removable memory foam insole Dual lacing options Anatomically correct heel cups Soft lining Machine washable