J037284 Merrell Women's Siren 4 Mid GTX - Monument 25 years of Merrell's women's-specific fit. The Siren 4 is uniquely engineered to cradle the distinct contours of female feet, providing comfort, support, and stability even on the longest hikes. GORE-TEX waterproof membrane, exceptional breathability and waterproof performance Breathable mesh and TPU upper Metal Hook and 100% recycled laces and webbing Bellows tongue keeps out debris Protective and abrasion resistant rubber toe cap 100% recycled breathable mesh lining 100% recycled mesh footbed cover Cleansport NXT treated for natural odor control Removable PU footbed Rock plate for protection FloatPro Foam midsole for lightweight comfort that lasts Vibram TC5+ outsole provides exceptional traction for outdoor multi-sport activities, formulated exclusively for Merrell Vibram traction lugs specifically designed to increase traction and shed debris with each step Vegan-Friendly Lug: 5mm Weight per shoe: 12.34oz