Updates to Merrell Thermo Rogue Mid GTX

  • The Merrell Thermo Rogue Mid GTX is a lightweight yet protective footgear specially crafted for day-long adventures in the snowy outdoors. It is imbued with M-Select Fresh—a brand-exclusive technology that combats odor and stink.
  • Giving the Thermo Rogue Mid GTX adequate weather protection is Gore-Tex’s waterproof membrane. What keeps the foot warm in harsh, cold conditions, on the other hand, is Primaloft’s thermal insulation.

Size and fit

Merrell’s Thermo Rogue Mid GTX is a generally true-to-size, mid-cut winter hiking footgear for men and women. It comes in full and half sizes in standard width. A secure and customized fit is made possible by the boot’s ghillie lacing.


Arctic Grip Dura, an exclusive Merrell outsole made by Vibram, is what grants hikers ample surface traction on the trail. As its name implies, this grippy layer—with its 5-mm multi-faceted lugs—offers the right amount of grip over icy terrain.


The Thermo Rogue Mid GTX is equipped with a chunky midsole to give winter hikers adequate terrain protection, cushioning, and stability. It houses a molded arch shank made of nylon for extra medial support. Merrell designers snuck in a company-owned footbed called Kinetic Fit Base in this shoe to help the midsole up its cushioning game. This proprietary component, which is made of ethylene-vinyl acetate, also doubles down on arch support.


This over-the-ankle Merrell hiking boot has a part mesh, part TPU upper. It is engineered with a rubberized toe bumper for additional forefoot protection. Its defense against all things wet is its Gore-Tex liner which also provides ample ventilation. 100 g of Primaloft Aerogel is applied to its main bootie to shield the foot from the freezing effects of the cold season. Its interior is protected from intrusive debris thanks to the boot’s bellows tongue.

Its closure system has fabric loops and metallic open hooks for eyelets. Set through them is a lace made of interwoven synthetic cords.

Facts / Specs

Weight: Men 480g / Women 406g
Use: Snow, Day Hiking
Cut: Mid cut
Features: Lightweight / Lace-to-toe, Insulated / Orthotic friendly / Removable insole
Waterproofing: Waterproof
Width: Normal

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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.