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.
Breathable mesh and TPU upper
100% recycled laces and webbing
Bellows tongue keeps out debris
Protective toe cap
100% recycled breathable mesh lining
100% recycled mesh footbed cover
NXT lined footbed cover to prevent odor
Removable PU footbed
Rock plate for protection
FloatPro Foam™ midsole for a lightweight ride that lasts
Vibram® TC5+ outsole technology gives you confidence with every step from mountain trails to city streets. Made exclusively for Merrell, Vibram® TC5+ delivers all-around grip, traction, and durability designed for every day wear.