Material: 90% polyamide

BIODEGRADABLE and ECO-FRIENDLY formula is free of bleach

79% recycled polyester fabric blend

and inside back panel

Brooks | Glycerin 22 | Men's | Gray/Navy Peony/Fiery Red feetures Material: 90% polyamideMORE COLORS Brooks Glycerin 22: Ultimate Cushioning & Comfort for Every Run The Brooks Glycerin 22 takes plush cushioning to the next level, making it the luxurious sibling of the iconic Ghost and an ideal choice for daily road running. Engineered with nitrogen infused DNA LOFT v3 foam, this shoe features dual size cell technologylarger cells in the heel for ultra soft, springy landings and smaller cells in the forefoot for a responsive, energetic toe