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Nike Air Zoom Terra Kiger 6 - Women's Review

A lightweight performance trail runner suited for race day and fast training runs
Nike Air Zoom Terra Kiger 6 - Women's
Photo: Nike
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Price:  $140 List | Check Price at REI
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Pros:  Lightweight, low profile, great traction on dry terrain, cross over capabilities, breathable, stable
Cons:  Doesn't perform well over mud, runs small, best only for regular to narrow feet
Manufacturer:   Nike
By Amber King ⋅ Senior Review Editor  ⋅  May 28, 2021
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69
OVERALL
SCORE


RANKED
#11 of 16
  • Foot Protection - 25% 5
  • Traction - 20% 7
  • Sensitivity - 15% 8
  • Stability - 15% 7
  • Comfort and Fit - 15% 8
  • Weight - 10% 8

Our Verdict

Lightweight performance over rocky, wet, and dry trails is a purpose the Nike Terra Kiger 6 will satiate. This trail runner is light and comfortable, keeping you moving while the miles accumulate. The upper is breathable while the rock-plate infused midsole is protective from underfoot hazards. The forefoot platform is a little wide but will do best for women with medium to narrow feet. The 4mm drop and low stack height make it quite stable, offering balance while you barrel down steeps. If you decide to purchase this sleek and lightweight trail runner, but sure to size up a half size as it runs a little small.

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Pros Lightweight, low profile, great traction on dry terrain, cross over capabilities, breathable, stableLight, very protective, excellent mud shed, superior traction, surprisingly stableLightweight and streamlined, durable elements, very sensitive, precise fit, protective upper, stable on technical terrain, fun color optionsProtective, comfortable, wider toe box, excellent beefy traction for soft surfaces, huge valueSticky traction, protective, rainbow design is fun, great value, all surface capabilities
Cons Doesn't perform well over mud, runs small, best only for regular to narrow feetNarrow fit, runs small, rigid construction takes time to break-inExpensive, no extra room in the toe box, tongue requires readjustment, zero drop design is best for only someNot ideal for roads, huge sizingLess stable than most, harder midsole is less comfortable, narrower fit
Bottom Line A lightweight performance trail runner suited for race day and fast training runsStable and deliciously sticky, this contender is just a crusher all the way around, built for training runs and long distances alikeOur favorite for its low profile and zero-drop design that feels like an extension of the body, ready to tackle technical terrainA great all-around trail shoe with high value that's superb traction on soft surfacesThis rainbow contender has the ability to tackle all kinds of trail with excellent protection and sticky traction
Rating Categories Air Zoom Terra Kiger 6 Dynafit Feline SL -... Inov-8 Terraultra G270 Supercross Blast Merrell Antora 2
Foot Protection (25%)
5.0
8.0
6.0
8.0
7.0
Traction (20%)
7.0
9.0
8.0
8.0
7.0
Sensitivity (15%)
8.0
9.0
9.0
7.0
7.0
Stability (15%)
7.0
8.0
9.0
8.0
7.0
Comfort And Fit (15%)
8.0
6.0
6.0
5.0
6.0
Weight (10%)
8.0
6.0
9.0
5.0
6.0
Specs Air Zoom Terra Kiger 6 Dynafit Feline SL -... Inov-8 Terraultra G270 Supercross Blast Merrell Antora 2
Measured Weight (per shoe, size 9) 8.7 oz 9.8 oz 8.3 oz 10.5 oz 9.6 oz
Heel-to-Toe Drop 4 mm 8 mm 0 mm 10 mm 8.5 mm
Stack Height (Heel, Forefoot) 14.5 mm, 10.5 mm Not disclosed 12 mm, 12 mm 29.3 mm, 19.3 mm 28.5 mm, 20 mm
Upper Synthetic leather & mesh Mesh, continuous nylon Mesh and TPU Continuous ripstop nylon Mesh and TPU
Midsole Phylon molded, Zoom Air units Feline SL midsole Powerflow Max EVA Foam EVA
Outsole Sticky lugs Sticky Pomoco Outer Graphene Grip Contragrip TD Vibram TC5+ rubber sole
Rock Plate? Yes, segmented Not disclosed Not disclosed N/A Yes
Wide Version Available? No No No No Yes
Sizes Available 5 - 12 5 - 11 5.5 - 11 5 - 12 5 - 11

Our Analysis and Test Results

The Terra Kiger 6 stands out for its lightweight design that is built to take on wet, rocky terrain. Designed for short to medium distances, it's an excellent choice for race days. The uppers are breathable but lack protection from tiny particulates. It also runs about a half size small, so be sure to size up, especially if you plan on running ultra distances.

Performance Comparison


The Nike Terra Kiger is a favorite amongst women that fit it well...
The Nike Terra Kiger is a favorite amongst women that fit it well. It's lightweight with super sticky rubber that'll grab most trail surfaces. It runs a little small and doesn't do great in mud, but for everything else, it's a wonderful choice.
Photo: Amber King

Foot Protection


Packed with 14.5mm of cushioning in the heel and 10.5mm of cushioning in the forefoot, your feet will be protected from most underfoot hazards. The Terra Kiger 6 also has a segmented rock plate that works to keep your feet from feeling the stabs of underfoot hazards.

The toe cap is well reinforced and provides some protection from toe...
The toe cap is well reinforced and provides some protection from toe stubs on the trail.
Photo: Amber King

While the upper offers excellent breathability and dries out quickly, it captures debris between the layers. We experienced this while running through sandy conditions, causing us to empty our shoes constantly. However, if you're just running over dirt, rock, or grass, this trail runner will likely provide all the protection you need.

The cushioning is minimal but protective. While the upper is quite...
The cushioning is minimal but protective. While the upper is quite breathable, small debris can get caught between the two layers, which is annoying on sandy or clay trails.
Photo: Amber King

Traction


We really love the outsole that does an excellent job sticking to rocky terrain. We used this shoe while scrambling up gneiss ridges, and it performed wonderfully, though it does struggle on any type of muddy or slippery terrain.

The traction pattern sports smaller lugs that are incredibly sticky...
The traction pattern sports smaller lugs that are incredibly sticky. We found this outsole works best on rocky trails, dirt roads, and single track. It doesn't perform well in mud unfortunately.
Photo: Amber King

Since the lugs aren't very long or aggressive, it also performs well on the road. Unfortunately, when testing on super muddy trails, the lugs didn't shed the mud well, and we were left with a tractionless shoe for miles. It performs impeccably over hard-packed snow but struggles when the snow is deep and soft. Overall, traction scores were "good" on our scale, as many other shoes in this review also feature this kind of performance. Don't be afraid to use the Kiger 6 while tacking technical terrain or hiking off-trail. It'll perform well.

After running on a rainy day, our tread pattern looked like this...
After running on a rainy day, our tread pattern looked like this after just five minutes of running on clay. Unfortunately, it didn't shed mud the whole time, weighing us down. Not recommended for wet and muddy conditions.
Photo: Amber King

Sensitivity


This shoe boasts a high level of sensitivity. While the midsole has air cushioning, it's thin enough to feel the undulations of the trail. You will feel stable, in control, and confident while treading over treacherous terrain.

This shoe is flexible and quite sensitive. You'll feel rocks...
This shoe is flexible and quite sensitive. You'll feel rocks underfoot while the outer molds to engulf them and provide stability as you head downhill.
Photo: Amber King

Stability


The lower stack height and relatively wide forefoot make this trail runner pretty stable. The outsole around the heel has material that splays out around its base, which adds more lateral stability upon heel impact (if you're a heel striker). It doesn't have any additional stability elements though, offering an average score in this category.

The outsole around the cup of the heel flairs out, offering...
The outsole around the cup of the heel flairs out, offering stability, especially on steep descents where you might find yourself leaned way back.
Photo: Amber King

The forefoot, with its low height and wide platform, allows your toes to spread out, which inherently offers better balance. The cushioning underfoot is super airy and perpetuates you forward with every step, while keeping your foot low to the ground. The shoe itself is quite flexible and supportive. Overall, we had no issues with rolled ankles, even though our main tester is renowned for it.

Comfort and Fit


When you get the right size, this shoe fits really nicely. We ordered a size 9 and felt the shoe was just a touch too small. Other testers verified this observation, so we recommend sizing up a half size, especially if you use thicker socks.

The collar is thin and offers just the right amount of padding. The...
The collar is thin and offers just the right amount of padding. The body of the shoe is a bit shallow, so if your foot is voluminous, you might find the fit a bit tight. If you're blessed with narrow and thin feet, this shoe will fit nicely.
Photo: Amber King

The overall comfort is stellar. A combination of the airy yet stiff cushioning, padded tongue, and a supportive collar around the Achilles makes for a comfortable ride, whether you're running one or 20 miles. It comes with a convenient pull-on loop at the back, meaning you can clip this shoe to a backpack if needed. There is also a smidgen of arch support, but it's overall a neutral fit.

The tongue is soft, thin, and padded, which adds additional comfort...
The tongue is soft, thin, and padded, which adds additional comfort. There's no chaffing or weird pinch points that we noticed in this shoe.
Photo: Amber King

We also appreciate the breathable upper, which makes this shoe suitable for both winter and hot summer running. The toe box will fit those with a wide foot, but it is best for those with regular to narrow feet. The toe box also tapers to the top, which isn't the best for downhills. After 10 miles, we felt a hot spot, and on the downhill, our toes felt a bit squished. They were rubbing together and this caused a tiny blister to form.

The airy cushioning underfoot makes running mile after mile...
The airy cushioning underfoot makes running mile after mile comfortable and "springy". On speed workouts, this is the shoe we reached for.
Photo: Amber King

Weight


Weighing only 8.7 oz per shoe for a size 9, the Terra Kiger 6 is one of the lightest shoes we tested. If you're seeking a trail shoe that doesn't hinder your stride and cadence, this is one to consider.

Value


This shoe has a price tag that is congruent with most trail runners in this review. If you're seeking a low-profile, lightweight trail shoe that doesn't need an aggressive traction pattern, then this is seriously one to consider. After putting 200 miles on it, it shows a little wear and tear, but the outsole is still going strong. Past models that we've tested have seen upwards of 200+ miles of wear. After this period, we noticed the cushioning breaking in, with some wear to the collar. The collar has been updated with this model, which could improve durability. However, we'd assume it'll have similar longevity as previous models as it uses the same materials.

If you're seeking a trail runner that'll easily transition from...
If you're seeking a trail runner that'll easily transition from roads to singletrack, this is one to consider. The price is just right. Feel confident on uneven terrain and crush both technical and non-technical surfaces with a spring in your step. Just don't buy this shoe if you encounter muddy conditions often.
Photo: Amber King

Conclusion


If you're seeking a light and fast trail runner that can easily transition from the road to the trail, the Nike Terra Kiger 6 is one to consider. Its breathable, light, comfortable, and comes with air cushioning underfoot to keep you comfortable mile after mile. This isn't our first choice for ultra distances, but we've seen many women sport them with success. If you do purchase it, be sure to size up a half size, especially if your feet swell when you run.

Increase cadence and go faster in these ultralight trail runners.
Increase cadence and go faster in these ultralight trail runners.
Photo: Amber King

Amber King