SIREN 4 GTX Trail Running Hook and loop closure cargo

Hook and loop closure cargo pocket

Pull-forward hip fins

Hybrid construction

warm on the inside| With advanced thermal insulation and cosy fleece lining you'll stay warm all winter

POCKET POWER

SIREN 4 GTX Trail Running Hook and loop closure cargo25 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