Brooks Men's Glycerin GTS 21 Running Shoes Color: Black/Gold Shoe Width: Medium/D NEW WITH TAGS 100% Do not ship: Po box, island, ocean Design: New, engineered warp knit upper is breathable and allows for a flexible, accommodating fit while staying soft against your foot GuideRails holistic support system supports your body in its natural motion path while keeping excess movement in check Made with recycled materials equivalent to 5 plastic water bottles Additional 2mm of DNA LOFT v3 midsole for a plush ride Super-soft, nitrogen-infused DNA LOFT v3 cushioning is optimized to be lightweight, responsive, and durable for plush comfort New RoadTack rubber includes recycled silica and is lightweight and durable