Asics Gel Nimbus 23. Good condition not worn too many times before deciding they are too small for me. Engineered Mesh Upper: Multi-directional mesh material improves ventilation and stability. Engineered mesh upper improves breathability: GEL Technology: Cushioning provides excellent shock absorption GEL technology cushioning: Provides excellent shock absorption Trusstic System technology: Reduces the weight of the sole unit while retaining the structural integrity of the shoe.