Features of the Merrell Women's Agility Synthesis 2 Shoe Jacquard and TPU Upper Traditional lace closure External rear sling locks in the heel Internal bootie for locked-in Fit Breathable mesh lining Removable EVA foam insole FLEXconnect Dual-directional flex-grooves in the Midsole for enhanced ground connection FloatPro foam Midsole for a light ride that lasts Rock plate for protection Merrell mountain-grade Quantum Grip rubber Outsole Vegan-friendly