The Siren 4 from Merrell is uniquely engineered to cradle the distinct contours of female feet, providing comfort, support, and stability even on the longest hikes. It is crafted with a breathable mesh and TPU upper and 100% recycled breathable mesh lining. It features aGORE-TEX waterproof membrane for complete protection, along with aFloatPro Foam midsole for lightweight comfort that lasts. TheVibram TC5 outsole provides exceptional traction underfoot. It is complete with lace up closure for a secure and adjustable fit.

• Upper: Textile and other materials
• Lining: Textile
• Sole: Rubber
• GORE-TEX waterproof membrane
• Removable insoles
• NXT treated to prevent odor
  
• Lace fastening for fit adjustment