Very comfortable! Runs large. I am usually a W7.5 in sneakers, but I ordered a W7. The New Balance 550 White Gum features an upper composed of a lightweight textile material that provides permeability and ventilation. The shoe's midsole features compression-molded EVA foam, which offers padding and impact attenuation. The outsole of the shoe is composed of rubber for grip and balance. The shoe features an "N" logo on the sides, "550" lettering on one side, and "NB" branding on the heel. The shoe's midsole features "NB new balance" on one side. The design is completed with a "new balance 550 NB" lettering on the tongue. Product Details: - Leather upper - Rubber outsole for traction and durability - Adjustable lace closure - Leather, synthetic and mesh upper - Rubber outsole for traction and durability SKU #: BB550WGU-D-055 COLOR: White with Gum