Helion Superfoam: Features Helion Superfoam combined with CloudTec cushioning for a smoother and more secure stride. Recycled upper material: The upper is constructed with 100% recycled polyester woven material, designed for speed. Forward-rolling cushioning: The shoe incorporates a forward-rolling, lightweight cushioning system designed to provide explosive power with each toe-off. Pros: Reviewers consistently mention the product's excellent comfort and lightweight feel Shoes are in excellent condition with minimal wear. Questions? Leave a comment below!