The Caldera 2 is a running trail shoe. With its extra cushion and support, you can feel comfortable on and off the trails with ease. The BioMoGo DNA midsole is designed to hold up for miles and miles of wear. With its moisture wicking technology, deep traction and tough support, you can tackle any type of environment and be safe and secure. It is made with Ariaprene mesh which makes it more durable than the version that came before it.