Updates to Merrell Altalight Mid Waterproof

  • The Altalight Mid Waterproof is a lightweight Merrell boot crafted to help adventurers tackle day hikes with ample comfort and performance. Its nylon Ripstop upper sports a patented M Select Dry Barrier to block water from entering the footgear.
  • Merrell combined an ethylene-vinyl acetate (EVA) midsole with an Air Cushion feature to deliver stability and impact absorption. It also possesses a mountain-grade Quantum Grip outsole to help users tackle most types of terrain with enough traction.

Size and fit

The Merrell Altalight Mid Waterproof is a mid-top hiking boot for male and female hikers. It uses a traditional lacing system, which enables wearers to gain a personalized lockdown. The brand also integrated a Stratafuse exoskeleton into the boot’s upper to render a glove-like fit.


This waterproof boot for outdoor lovers employs a mountain-grade Quantum Grip outsole. Its profile contains a pattern of 5mm arrowhead-shaped lugs to deliver grip on virtually all types of terrain. The widely-spaced lug design sheds dirt and debris to optimize traction. Moreover, the sole’s front end covers a portion of the toe box to provide protection from accidental bumps.


The men’s and women’s Merrell Altalight Mid Waterproof features a midsole made of EVA foam. This lightweight material is known to absorb shock and grant responsiveness to the user’s movement. The brand’s proprietary Air Cushion technology is positioned in the heel section to give a cushioned ride.

Merrell placed a Kinetic Fit Base removable footbed on top of the Altalight Mid Waterproof’s midsole. It uses a contoured design, which delivers arch support and underfoot comfort.


The Merrell Altalight Mid Waterproof is equipped with a tear-resistant upper made of nylon Ripstop fabric. A trademarked M Select Dry Barrier is embedded into this component to protect the foot from wet encounters. It also sheds excess heat and moisture to preserve breathability.

Merrell integrated a Stratafuse exoskeleton into the upper of this hiking boot for additional support. A rubberized cap is found on the footgear’s toe box to deliver protection from various trail hazards.

The Altalight Mid Waterproof’s lacing system uses several round eyelets and metal hooks for fit management. Its collar and tongue contain padding to promote comfort. Moreover, a pull tab is positioned at the back to help wearers get easy on and off.

Nice to know

- Buyers who need a more robust pair may look into the advantages offered by quality backpacking boots. One example that may be considered is the Salomon Quest Prime GTX.

Facts / Specs

Weight: Men 14.8oz / Women 11.3oz
Use: Day Hiking
Cut: Mid cut
Features: Lightweight / Vegan / Orthotic friendly / Removable insole
Waterproofing: Waterproof
Width: Normal
BRAND Brand: Merrell

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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.