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: 144.44 CAD
Availability: InStock

44% OFF

$144.44

$259.95Save $115.51 (44%)

at MEC

Also check

Check price

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

Price Historylast 3 months

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

Is this a good deal?

The current price has held for 2 days.
Across the 29 Footwear deals we’re tracking right now, the median discount is 25% — this deal’s 44% 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. Available in black, this mid-height boot features waterproof construction to keep feet dry, with a zip closure for easy on and off. The thermal insulation is suited to winter use, making it a practical choice for cold-season outdoor activity. Merrell's Siren 4 platform is designed with women's-specific fit in mind, though buyers commonly note that this model runs small, so sizing up is worth considering. The boot earns solid marks for durability and offers meaningful rain protection, rated 3 out of 5 for water resistance and 4 out of 5 for durability. The mid-cut silhouette provides added ankle support compared to low-profile alternatives. Priced at approximately 144 Canadian dollars, it sits in a competitive range for insulated waterproof footwear.

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

What people are saying

Reviewers consistently praise the Siren 4 Thermo Mid Zip Waterproof for its reliable waterproofing, with multiple testers reporting dry feet across slushy, snowy, and wet conditions. The Vibram IceTrek outsole earns strong marks for grip on icy and uneven terrain, and the women's-specific fit is frequently called out as comfortable enough for long days on trail. The versatile, stylish leather design also wins points for transitioning naturally from trail to town. The most common criticisms center on the short shaft height (under 6 inches), which limits protection in deep snow, and the side zipper, which several reviewers found stiff and not as practical as expected. The boot is also noted as better suited for active winter hiking than stationary use in very cold temperatures, where the 200g insulation may fall short.