EUC, worn only inside on treadmill. ~30 miles run only. Whoever said running isn't easy, has never stepped foot into the new Women's Brooks Glycerin Max. Every step feels like you're walking on clouds, thanks to the all-new Nitrogen-infused DNA Tuned midsole that acts like a pillow to brace you for a softer impact. The GlideRoll Rocker works in harmony to ensure smooth heel-to-toe transitions. With larger cells in the heel for plush landings and smaller cells in the forefoot for responsive toe-offs, every jog, sprint, or training in your Glycerin Max becomes an effortless and exhilarating journey you won't ever want to end. THE NUTS & BOLTS Running Shoe Support: Neutral runners who don't need a lot of extra support will enjoy the feel of the Brooks Glycerin Max. Cushion Level: Max Cushion maximizes that plush feel, so every step feels soft and smooth no matter how far you're running. Midsole: Your Brooks Glycerin Max has a heel-to-toe drop of 6 mm. Shoe Weight: 9.5 ounces Perfect For: Those seeking comfort on the road will love the max-cushion Brooks Glycerin Max.