Asics Gel Nimbus 21 Women's Neutral Running Shoes Grey/Yellow

Details:

3M Reflective inserts to run with security even at night
Ahar+ rubber in the sole for greater resistance and durability
Removable insole
Mesh tongue
Padded shoe collar for lots of comfort
Hard shell on heel for ankle stability

3M Reflective
Special reflective material which enhances visibility in poor light. 3m Scotchlite is a registered trademark of the 3M Company.

Forefoot GEL
ASICS GEL is a shock absorption system that uses silicone to satisfy the needs of both amateurs and professional athletes. Forefoot GEL reduces the force of the load during push, increasing performance and drastically reducing the risk of injury.

I.G.S.
The Impact Guidance System (I.G.S.) is an Asics design philosophy. It aims to make shoe components from rear to midfoot and forefoot to work together effectively to allow the body to perform in a natural manner.  Asics designers strive to compliment, not correct, how the legs and feet move.

Rearfoot GEL
ASICS GEL is a shock absorption system that uses silicone to satisfy the needs of amateurs and professional athletes alike. Rearfoot GEL offers omni-directional shock absorption, it not only absorbs harmful shock, but helps to stabilize impact forces on the heel.

AHAR (Asics High Abrasion Resistance Rubber)
Tough and durable compound, designed to ensure excellent grip and traction, while offering long-lasting durability

Trusstic System
The Trusstic System offers a bit more torsional rigidity for added support.

FlyteFoam
FlyteFoam is a very lightweight and durable new generation cushioning. The innovative formula of the foam is characterized by a combination of materials that increase foot release with a delicate push.

FlyteFoam Propel
FlyteFoam Propel is the lightest foam on the market today, patented to guarantee, increased comfort in the rest phase, to a new generation of shoes. Placed in the midsole allowing extraordinary durability thanks to nanofibers that make up the entire shoe structure.