A Siren that responds to the urge to surge. But with a full grain leather upper and rubber bumpers at toe and heel it is built for durability. Merrell Air Cushion® midsole with women-specific Q-Form™ technology smoothes out strides while maintaining alignment. Vibram® Siren™ sole features heavier lug pattern in high-friction areas and tread for vital traction under the arch.
Features:
Slip Lasted Construction
Full Grain/Synthetic Leather and Breathable Mesh Upper
Breathable Mesh Lining
4.5mm Anatomical Footbed
Nylon 6.6 Injection Molded Arch Shank
Q-Form™ Triple Density Compression Molded EVA Footframe