The Tirra features:

• Water-ready synthetic and polyester webbing upper
• Easy hook-and-loop closure comes on and off quickly and gets the fit just right
• Contoured EVA footbed supports your arch to keep your foot happy and healthy
• Treated with Microban®, a zinc-based antimicrobial technology that helps prevent stink
• A cushioned Shoc Pad™ in the heel absorbs impact where you need it most
• Spider Original rubber outsole is extremely durable and supplies great traction
• Nylon shank stabilizes and supports your foot on uneven terrain