Korsa Glacier Tech Tights

Review by Erin Trail

The Korsa Glacier Tech Tights are Road Runner Sports’ medium weight thermal running tight, perfect for those cold weather runs, hikes, or snowshoe adventures.

Korsa Glacier Tech Tights
Korsa Glacier Tech Tights

Details

  • Left front zip pocket.
  • Interior lining of the tights is a jersey brushed fabric.
  • Antimicrobial, moisture-wicking fabric that won’t pill, snag or sag.
  • Several reflective decals for visibility.
  • Drawcord on the waistband for a custom fit.
Korsa Glacier Tech Tights
Korsa Glacier Tech Tights

Detailed Review

The Korsa Glacier Tech Tights are what I would call a medium weight insulated thermal tight.  The fabric isn’t windproof or water resistant, but thanks to the fuzzy jersey brushed fabric, they are thick enough to keep you warm on colder days.

I am a size medium on the Road Runner Sports’ website and I found that the Korsa Glacier Tech Tights fit true to size.  They are lightly compressive and I found them to fit well without needing adjustments mid-run.  The ankles are a bit loose, but not in a bad way; this makes the tights easy to get on and off.  I also found the waistband to be really comfortable as well.

I tested the Korsa Glacier Tech Tights on cooler walks (one rainy) and several cooler runs, with temperatures in the 30 to 40s.

My first impression of the Korsa Glacier Tech Tights is how soft and cozy the interior lining of the tights are. The exterior of the tights is on the thicker side, but was still pretty stretchy fabric that moved well.  The compression of the tights was also really good.

I did find the side pocket to be not to my liking.  The size is great, but the zipper is a big chunky zipper and the placement of the pocket was a little awkward. The pocket opens vertically, with the pocket going across your quad.  I had to hold down on the tight to initiate the zipper into closing.  And I also found that the pocket fabric bunched up if I didn’t lay it flat before zipping it closed. The size is good and there is solid functionality (plenty of room for snacks, keys, or a phone), but I prefer a pocket that’s along the IT band and opens horizontally at the top of the leg.

Korsa Glacier Tech Tights
Korsa Glacier Tech Tights

I love the reflective details that are added to the Korsa Glacier Tech Tights.  There’s a small reflective logo at the bottom cuff and larger reflective dots on the back of the lower calf.

I received the Korsa Glacier Tech Tights in the Teak colorway. I did notice a little breakthrough sweat staining on the upper back waistband, which is honestly pretty normal and expected. I did not observe any other areas of breakthrough sweat, but if you don’t want to risk it, get the tights in the black color.

For me, these tights are perfect around 35 degrees for running. They were a bit warm around 40 degrees and windchills at air temps lower than 30 made them a little chilly for me.  I usually run pretty warm from an internal temperature perspective, so others may have a different ideal range.

Korsa Glacier Tech Tights
Korsa Glacier Tech Tights

The Korsa Glacier Tech Tights were also great for cool weather hikes.  I imagine they would be great for high output winter activities like snowshoeing or maybe as a base layer for sking.

Closing Thoughts

The Korsa Glacier Tech Tights are a great cool to cold weather option for women who run, hike or snowshoe. While they aren’t weather resistant, the fuzzy interior of the tights do offer a good amount of warmth. The fabric moves well and feels really great when you’re wearing them.

Road Runner Sports has the Korsa Glacier Tech Tights available for women in three colorways in sizes ranging from XS to XXL.

Erin Trail

Trail Boss of Stoke

Erin Trail’s hobby is collecting hobbies. She’s a 5th Generation Coloradan and grew up exploring the outdoors on family camping trips and hikes.  Her first backpacking trip was at eight years old to Grizzly Reservoir – she proudly carried all of her own gear those 3 miles from the main parking lot to the Reservoir.
Erin Trail of Engearment.com
Erin Trail of Engearment.com
Erin is an adult-onset athlete who started as a Masters Swimmer and then developed into a triathlete.  She has completed 5 Ironman races and nearly 20 x 70.3 distance Ironman races, including the World Championship in Lahti, Finland, in 2023.  In 2025, she raced for Team USA in Pontevedra, Spain for the World Triathlon Cross Tri World Championship. She placed 9th in her age group and was the 1st American woman in her age group.
Somewhere along her triathlon journey, she picked up deep love of cycling. Cycling encouraged her to see landscapes in a new way, learn new skills and to develop self reliance; now she often goes and does Type 2 rides just to see if she can do it.  She’s got all the bikes: gravel, mountain, fat bike, time trial and road.
She is even known to combine her love of camping and cycling and go off on solo 24 hour overnight bikepacking trips in the mountains of Colorado. In addition to bikes, she teaches yoga, lifts weights, skis, SUPs and has recently purchased a campervan.

Erin is a former Montana park ranger with a degree in environmental engineering.  She loves getting into technical details while putting her gear (and herself) through the paces. She shares her home in Colorado with her husband, Will, and her 3 cats (Zipper, Brewtus, and Simcoe).
Fall and winter 2025 will bring Erin to the “Adventure Side”, with many camping, vanlife, bikepacking, and mountain bike rides. Once the snow flies, she can be find resort skiing, fat biking, and triathlon training (inside and outside).
2026 will bring a National Championship Cross Tri race, a National Championship Road Sprint and Olympic Distance race, and hopefully a chance to represent Team USA once again in 2027 in Edmonton, Canada. She’ll also save lots of room for adventure time with her friends and husband.
When not adventuring, she can be found on a sunny patio somewhere, drinking beers with her husband.

 

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