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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
44mm brass valves feature removable valve core for easy sealant refresh and fit most mountain rims
Synthetic side and underarm panels with mechanical stretch allow for added range of motion and breathability
Colour: White / Black / Tea
original Fatbar Carbon
Merrell Siren 4 Mid GORE-TEX Womens Walking Boots - Black BackInStock-07-03-2026 44mm brass valves feature removable25 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 Metal Hook and 100% recycled laces and webbing Bellows tongue keeps out debris Protective and abrasion resistant rubber toe cap 100%