New Balance Women's WX855 Training Shoe,White/Blue,9 D 100% Leather and mesh Rubber sole ABZORB SBS is an engineered, non-cellular elastomer designed to provide optimal shock absorption and no compression set ENCAP midsole and heel utilizes a core of soft cushioning EVA in the midsole with a tough polyurethane rim for more support and durability C-CAP is a compression-molded EVA for superior midsole cushioning and flexibility