WOMEN'S CUMULUS 28 Nutrition The Glycerin 21 has a

The Glycerin 21 has a sleek and modern design

from daily training to tempo runs and even races

Heel to Toe Differential 9mm

9 oz (for men’s size 9)

WOMEN'S CUMULUS 28 Nutrition The Glycerin 21 has aThe GEL CUMULUS 28 shoe is a lightweight running shoe that's designed to provide a smooth underfoot experience. FF BLAST MAX foam is one of our most energetic cushioning technologies. This material is designed to help create cloud like landings and a responsive toe off during your run. A FLUIDRIDE outsole material is strategically placed to provide smooth transitions between strides. An AHAR LO material is also positioned in the heel area for added