Click an image below to view it larger

A Siren that sounds the alarm when the weather comes up bad, and keeps pace with the worst it can throw out. Mesh upper backed by GORE-TEX® membrane has the highest level of breathability while being completely waterproof without any unwanted bulk-up. Narrow gauge webbing and synthetic leather strapping provide support while anchoring speed lacing. Underneath it’s all about cushioning and alignment, with proprietary Merrell® Air Cushion matched to QForm® stride-centering.

UPPER/LINING
* Strobel construction offers flexibility and comfort
* Synthetic leather and mesh upper
* Bellows tongue keeps debris out
* GORE-TEX® Extended Comfort Footwear lining keeps feet dry and comfortable
* Lining treated with Aegis® Antimicrobial solution maintains foot comfort
* Ortholite® Anatomical Footbed

MIDSOLE/OUTSOLE
* Molded nylon arch shank
* QForm® Comfort midsole provides women’s specific stride-sequenced cushioning
* Merrell Air Cushion in the heel absorbs shock and adds stability
* 5 mm Sole lug depth
* Vibram® Siren Song Sole/TC5+ Rubber