WOMEN'S CUMULUS 28 Nutrition The Glycerin 21 has a

The Glycerin 21 has a sleek and modern design

This is still not a race shoe

Responsive 4mm sockliner

The transition from heel to toe is smoother

analyze pace

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