Glycerin GTS 22 Shoe Size:8.5 A revised midsole foam is

A revised midsole foam is lighter weight and designed to deliver a comfortable connection to the ground

Body/Lining: 100% polyester

Helps provide lightweight cushioning and softer landings

They're lightweight

Ventilation: Yes

Glycerin GTS 22 Shoe Size:8.5 A revised midsole foam isAre you ready for a supportive, cushioned ride? This women's running shoe features our innovative GuideRails(TM) support system that keeps you comfortably in your stride while tuned nitrogen in the midsole provides plush landings and responsive toe offs. Best for Tuned cushioning Smooth and stable transitions Road running Go to support Product Details: Tuned cushion Accommodating fit GuideRails(TM) holistic support system Supreme softness, supreme