Updates to Mammut Mercury III Low GTX

  • The Mammut Mercury III Low GTX is a board-lasted footgear designed to give hikers a combination of comfort and protection on the trail. It can withstand abrasions and wear and tear thanks to its critical zones having been imbued with Liquid Rubber reinforcements.
  • Its rockered sole unit, which consists primarily of the shoe’s sturdy midsole and Vibram outsole, is engineered with Rolling Concept. This Mammut-patented technology, which is also found in the T Aegility Low GTX and the T Aenergy Low GTX, assists the foot during transitions, thereby making every stride less tiring. Its presence also prevents ankle-related injuries.
  • The grounded look of the Mercury III Low GTX may be exclusively linked to its Terracare leather upper. Just like its predecessor, it is lined with a Gore-Tex membrane for water protection. The apparent change in the upper is the design on the overlay. It is less pronounced than the one seen in its precursor.

Size and fit

Mammut’s Mercury III Low GTX is a relatively true-to-size, low-top day hiking shoe for men. It is built for wearers with standard-width feet. Its sizing selection consists of half and full sizes. Users may customize its fit using the hiker’s ghillie lacing.


This waterproof hiking shoe from Mammut gets to provide adequate footing security over various types of terrain with its Vibram outsole with Frog Grip technology. Hardwearing hexagon protrusions (also known as lugs) dot its surface, allowing users to gain and maintain grip in practically every direction. It is engineered with horizontal grooves at the forefoot to allow the shoe to flex with every stride. It also comes with a low-profile heel brake for improved maneuverability during tricky descents.


The Mercury III Low GTX has a stout yet cushy midsole for underfoot protection, comfort, and stability. It is capable of mitigating shock on impact with its thickly constructed heel zone. Its cupped design gives the shoe enhanced sturdiness and support.

Sitting right on top of this springy unit is the footgear’s removable insole. Mammut engineers gave it a contoured build to up the shoe’s underfoot support. They also furnished it with enough padding to provide wearers with extra cushioning.


The low-cut upper of the Mammut Mercury III Low GTX is made of nubuck leather from a proudly German brand, called Terracare. Its bootie has the Gore-Tex Performance Comfort technology, which makes the hiking shoe breathable enough on the inside while sufficiently waterproof on the outside. The parts that hug the user’s ankle are moderately lined with cushy padding for additional in-shoe comfort. Its lacing system is made up of a synthetic lace and combination eyelets.

Facts / Specs

Weight: 14.8oz
Use: Day Hiking
Cut: Low cut
Features: Lightweight / Orthotic friendly / Removable insole
Waterproofing: Waterproof
Width: Normal
BRAND Brand: Mammut

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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.