Whether you are tackling rough and rugged terrain or a long paved road, training indoors and out these sneakers are what you need to give your best performance. Features of this shoe are A. D. (See chart below.) Also featured is a solid rubber outsole for a long wearing and durable shoe as well as a leather/mesh upper which is lightweight and breathable. Glossary: A.Abzorb® - Provides Pure Cushioning And Energy Displacement. B.Absorb® EX - Premium absorb cushioning and energy displacement encapsulated in engineered thermoplastic. This visible technology is designed to provide optimal cushion, comfort and stability. C.Stability Web® - Delivers superior system in the midfoot and reduces the weight of the shoe. D.C-Cap® - Compression molded EVA for cushioning and flexibility. E.N-Durance® - Rubber compound for maximum durability in high wear areas. F.N-Lock® - Enhances midfoot support. G.Abzorb® SBS - Offers the ultimate cushioning for the performance athlete.