With the biomechanical shape and low-volume design of the Carbon insole from Superfeet®, you'll feel as comfortable as ever in your athletic footwear and lightweight shoes. Low-profile insole with a versatile shape that offers high performance support. Carbon fiber-reinforced stabilizer cap mixed with a durable, ultralight foam layer. Supports and aligns the bones of the foot, helping to prevent heel pain, plantar fasciitis and other common foot problems.Each pair includes a User's Guide with information on sizing and trimming your new insoles, and the package is recyclable.Measurements: Weight: 2 ozProduct measurements were taken using size F (Men's 11.5-13), width Medium. Please note that measurements may vary by size.