50% Synthetic, 50% Mesh Imported Rubber sole Cushioned Running Shoes for Every Runner: Part of the Fresh Foam X collection, these shoes use our latest advancements in data to design to deliver precise plushness exactly where you need it Support and Durability: This shoe features a Hypoknit upper designed to provide strategic areas of stretch and support, in addition to a blown rubber outsole for impressive durability Perfect Fit: These comfortable running shoes include a bootie upper construction and an Ultra Heel design, both of which hug the back of the foot for a snug, supportive fit Breathable and Lightweight Running Shoes: The supportive engineered knit upper includes synthetic and mesh materials for amazing breathability during runs of any distance Keep Your Feet Comfortable: The Ortholite sockliner in these performance running shoes helps keep your feet feeling fresh as you power through your toughest runs