Updates to Merrell Siren 3 Ventilator

  • The women’s Merrell Siren 3 Ventilator is a lightweight hiker that responds to the various challenges hurled by the trail at the female crowd. It is engineered with a gender-specific technology called Q Form 2 (also found in Merrell Siren Edge Q2 and Merrell Siren Sport Q2) whose responsibilities include keeping the heel centered and providing wearers with enhanced stability on the trail. It is also built with M Select Fresh to give owners a stink-free ride for longer.
  • Unlike the leather coverage seen its predecessor (the Siren 2 Ventilator), this new iteration now has TPU overlays. It also now has a proper heel counter for improved rearfoot support—something the old version didn’t have.
  • This current model still uses a Vibram outsole for surface traction. That said, its heel brake is more pronounced compared with the Siren 2 Ventilator’s.

Size and fit

The Merrell Siren 3 Ventilator is a low-cut shoe for female day hikers. Its relatively true-to-size fit is intended for users with standard-width feet. A secure and personalized lockdown is achievable via the shoe’s ghillie lacing.

Outsole

Responsible for keeping the foot anchored in on slippery trails no matter the weather condition is the Siren 3 Ventilator’s Vibram Megagrip outsole. Multi-directional lugs (with a depth of 4.5 mm) dot its rubberized surface, offering enhanced grip performance for when the terrain gets a little too loose. On this grippy layer, users may also traverse downward slopes with extra confidence thanks to its toothy heel brake.

Midsole

This hiking gear produced by Merrell promises a combination of comfort and protection on the trail with its heel-centering and foot-aligning dual-density midsole. The thickness of its heel zone translates to increased shock protection. It comes with a removable EVA midsole called Kinetic Fit Tri for extra support and cushioning underfoot.

Upper

The Siren 3 Ventilator’s low-top upper is one part mesh and one part TPU. It has an adequately padded interior and a debris-preventive bellows tongue. There is a strip of TPU overlay covering its heel for additional rearfoot support. Fabric loops, non-plated eyelets, and a flat synthetic lace form its lacing system.

Additional Info

Facts / Specs

Weight: 9.9oz
Use: Day Hiking
Cut: Low cut
Features: Lightweight / Breathable
Width: Normal
BRAND Brand: Merrell

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Author
Paul Ronto
Paul Ronto

Over the past 20 years, Paul has climbed, hiked, and ran all over the world. He has summited peaks throughout the Americas, trekked through Africa, and tested his endurance in 24-hour trail races as well as 6 marathons. On average, he runs 30-50 miles a week in the foothills of Northern Colorado. His research is regularly cited in The New York Times, Washington Post, National Geographic, etc. On top of this, Paul is leading the running shoe lab where he cuts shoes apart and analyses every detail of the shoes that you might buy.