Asymmetrical lacing systems equalize pressure distribution across the instep.
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
Abrasion resistant outsoles withstand daily concrete contact
