From Merrell, the Women's Agility Peak 5 Bliss Mesh Sneakers feature: Breathable engineered mesh and TPU upper Protective and abrasion resistant toe cap SBR/mesh collar and tongue offer low water absorption and enhanced stretch properties for improved fit Gaiter D-Ring Rock plate for protection Cleansport NXT™ treated for natural odor control recycled laces and webbing recycled breathable mesh lining recycled mesh footbed cover recycled EVA foam footbed FLEXconnect® dual-directional flex-grooves in the midsole for enhanced ground connection FloatPro™ Foam midsole for lightweight comfort that lasts External rear sling locks in the heel Vibram MegaGrip high performance rubber outsole features unparalleled grip on both dry and wet surfaces Vibram traction lugs specifically designed to increase traction and shed debris with each step Approx. 31-25mm stack height  Approx. 0.24" drop Approx. 0.2" lug Imported.