Thirty Two offers this great first price point Boa model in a solid grey color way. The STW boa is a staple in the line up and always a top seller. It boasts Level 1 Intuition brand liner, which is super light and heat moldable. The outsole is the crazy durable STI evolution foam and it also offers a 3d molded tongue for comfort. It is easy on and easy off. It has a soft flex and is perfect for the developing intermediate rider.