K-Swiss Run One Misoul Tech Women's Running Shoe Synthetic Rubber sole Midsole Material: EVA--Provides lightweight, flexible cushioning that is highly impact-resistant. Outsole: Aosta II--Rubber outsole delivers durability and flex thanks to multi-directional flex-grooves. Pronation: Dual-Density Medial Post--Dual-density medial post offers pronation control. Model Number: 92150-052 Recommended Fit: These shoes run True to Size.