Merrell Siren 4 Thermo Mid Zip Waterproof Winter Boots - Women's

Name: Merrell Siren 4 Thermo Mid Zip Waterproof Winter Boots - Women's
Brand: Merrell
Price: 169.94 CAD
Availability: InStock

35% OFF

$169.94

$259.95Save $90.01 (35%)

at MEC

Also check

Check price

Links may earn us a commission. Prices are never affected.Details

Price Historylast 2 months

Low $144.44 · High $169.94. Hover the line to see each change.

Is this a good deal?

The lowest price we’ve tracked since June 2026 is $144.44; today’s price is $169.94.
The current price has held for 17 days.
Across the 23 Footwear deals we’re tracking right now, the median discount is 30% — this deal’s 35% off is well above that mark.

Based on prices we’ve recorded from MEC since June 2026, refreshed several times daily.

About this product

The Merrell Siren 4 Thermo Mid Zip Waterproof Winter Boot is a women's cold-weather hiking boot built for reliable performance in wet and wintry conditions. The mid-cut silhouette provides ankle support, while the waterproof construction keeps feet dry across a verified rain protection rating of 3. A side zip makes entry and exit convenient without sacrificing a secure fit. Durability is rated at 4 out of 5, reflecting solid construction suited to repeated use in demanding outdoor environments. Available in black, this boot runs small according to user feedback, so sizing up is worth considering before purchasing. The Siren 4 Thermo sits at a Canadian retail price of approximately 169.94 CAD, positioning it as a mid-range option for women seeking a dependable waterproof winter boot with thermal insulation and practical zip access for everyday cold-season use.

Category: Footwear
Brand: Merrell
Color: Black
Members Say: Runs small

What people are saying

Reviewers consistently praise the Merrell Siren 4 Thermo Mid Zip Waterproof for its reliable warmth and waterproofing, with users reporting dry, comfortable feet in demanding cold-weather conditions including snow, ice, and sub-freezing temperatures. The Vibram Icetrek outsole earns frequent compliments for confident traction on slippery winter surfaces. Many reviewers highlight the boots as comfortable right out of the box, lightweight for a winter boot, and versatile enough for both trail hiking and everyday wear. The side zipper is appreciated for easy on and off, though one editorial reviewer noted it feels somewhat redundant given the lacing system. The most recurring criticism is a narrow toe box that leads many buyers to size up, and a few users mention limited ankle support. Some note a brief break-in period before the boots fully soften.