This sporty women’s GORE-TEX trail shoe is designed around the unique shape of a woman's foot and features an extremely sticky Vibram sole for traction even when it's wet. Designed specifically for women, the Womens Siren 3 GTX from Merrell are built with Q FORM 2 stability technology and a Vibram MegaGrip outsole for confidence no matter the terrain. The webbing loops ensure a secure fit and the bellows tongue ensures the shoes are watertight. Merrell Women's Siren Sport 3 GTX Features: Leather and Mesh Upper GORE-TEX Extended Comfort Technology Traditional Lace Closure Bellows Tongue Keeps Debris Out Breathable Mesh Lining Kinetic Fit™ BASE Removable Contoured Insole Merrell Air Cushion Heel Absorbs Shock and Adds Stability Women’s-Specific Q FORM 2 Midsole Vibram TC5+ Outsole 3.5mm Lug Depth Weight Approx 680g