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
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
