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.Features: GORE-TEX® waterproof membrane, exceptional breathability and waterproof performance Breathable mesh and TPU upper 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 NXT treated to prevent odor 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 Dont forget! Rinse your shoes off with fresh water after any muddy hike and if you need to clean your shoes or reapply the DWR coating check out our range of washes and sprays here!Merrell Women's Siren 4 Gore-Tex Shoes Sea J037280