Description25 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 / 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 odour / 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.SpecificationsMaterialsUpper: Tpu/Mesh. Inner: Textile. Outsole: Other Materials.Care InstructionsWipe cleanProduct CodeML077 Merrell Siren 4 GTX Trainers | Simply Be