Merrell Siren 4 Thermo Mid Zip Waterproof Hiking Boot - Women's

Merrell Siren 4 Thermo Mid Zip Waterproof Hiking Boot - Women'sBuilt 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

A TPE-laminated base with welded seams shrugs off wet truck beds and rough put-ins

Recycled midweight polyester fleece delivers soft

Lightweight comfortable wear

Harness or carabiner clip loop lets you dangle these off your rack when you need your hands free — no fumbling through a pack

- No-sew TPU details for lightweight protection in the toe and heel

MAX-COMF memory foam insole technology cushions every step

Pertex Quantum shell with Diamond Fuse technology resists snags

while over-the-calf length keeps the sock locked in place inside a stiff snowboard boot

Available in Blue Coral

secure fit all day

or slipping during high-output activity

Heel-to-toe drop: 6mm