This product can be shipped to US addresses ONLY. The Brooks Ariel is designed for runners with low or flat arches who need to control excess pronation. Synthetic/Air mesh upper adds comfort and breathability. Ultimate Sockliner with IMPLUS provides cushioning and durability. Internal Support Sleeve (ISS) helps "wrap" the foot. Engineered MC-Pod configuration maximizes support. HydroFlow ST-XL in rearfoot optimizes cushioning and stability. Extended Diagonal Rollbar helps minimize overpronation. DRB Accel design increases midfoot support. High durability carbon rubber outsole. HPR Plus in heel strike area increases durability. Crumple zone smoothes out initial impact with the running surface. Wt. 12.3 oz.