Merrell Siren 4 Thermo Mid Zip Waterproof Hiking Boot - Women's training Vintage-washed cotton construction feels broken-in

Vintage-washed cotton construction feels broken-in from the first wear — no stiff-new-shirt phase

Available in standard and wide widths across a broad range of colorways including Navy

Merino's natural odor resistance means these hold up through long days without turning on you

Long sleeve unisex cut

Wide handle fits most cup holders and is easy to grip on the go

Merrell Siren 4 Thermo Mid Zip Waterproof Hiking Boot - Women's training Vintage-washed cotton construction feels broken-inBuilt for cold weather trail days and winter approaches, the Siren 4 Thermo Mid Zip WP is our pick for women who need real warmth without bulk. Solarcore Aerogel insole technology blocks cold from the ground up, while 200g synthetic insulation keeps feet warm on the move. The Vibram Icetrek outsole handles ice and packed snow where standard lug patterns give out. Vibram Icetrek outsole bites into ice and slick winter terrain where standard rubber