TerraFlex II - Trail Running and Hiking Shoe - Men

TERRAFLEX II SIZE GUIDE

The TerraFlex II runs fairly true to size. We recommend your usual size.

FREE EXCHANGES: Most people find our size recommendation gives them a proper fit, but just in case, we have a free exchange program for all US orders.
*If you normally buy a Euro, UK or JP Size, check out the handy conversion charts below.

Men's Sizing Chart:

US Sizes EU Sizes UK Sizes JP Sizes
6.5 39.5 5.5 24.5
7 40 6 25
7.5 40.5 6.5 25.5
8 41 7 26
8.5 41.5 7.5 26.5
9 42 8 27
9.5 42.5 8.5 27.5
10 43 9 28
10.5 43.5 9.5 28.5
11 44 10 29
11.5 44.5 10.5 29.5
12 45 11 30
12.5 45.5 11.5 30.5
13 46 12 31
14 47 13 32
15 48 14 33

Women's Sizing Chart:

US Sizes EU Sizes UK Sizes JP Sizes
5 35.5 3.5 22
5.5 36 4 22.5
6 36.5 4.5 23
6.5 37 5 23.5
7 37.5 5.5 24
7.5 38 6 24.5
8 38.5 6.5 25
8.5 39 7 25.5
9 39.5 7.5 26
9.5 40 8 26.5
10 40.5 8.5 27
10.5 41 9 27.5
11 41.5 9.5 28
11.5 42 10 28.5
12 42.5 10.5 29
Any questions? Just call us at 303 447 3100 or send us an email. We’re here to help.

TerraFlex II - Trail Running and Hiking Shoe - Men

$109.99

We recommend ordering your usual size.
 
Clear
  • warranty icon
    5,000 mile sole warrantySole warranty
  • reviews icon
    Over 53,000 5 star reviews!53,000+ 5-star reviews!
  • fit icon
    Natural Fit, Feel and MotionNatural feel

Stock information

Get Restock Notifications via Email.

Xero in Action

Tag your Instagram posts with #xeroshoes or #livelifefeetfirst and your post could be featured here!

Product Description

“The TerraFlex II is sturdy and protective against outdoor terrain. I really like it for running sprints and up hills and dirt trails. It’s a really great outdoor shoe.” – Chase B.

The TerraFlex II is an update to the best-selling original featuring a more abrasion and water-resistant upper — with no sacrifices to any of the trail-gripping traction, secure fit, and all-day comfort that people loved about the TerraFlex.

FEEL CONNECTED TO YOUR WORLD WHEN YOU RUN OR HIKE IN THE TERRAFLEX II

SECURE, TRAIL-GRIPPING COMFORT.

Whether you’re running, hiking, or simply taking a casual stroll off the beaten path, the TerraFlex II helps you feel more connected to the ground beneath your feet.

The rugged 6.5mm FeelTrue® sole, including 4mm lugs for confident traction, provides the perfect combination of protection and ground feel for any off-road activity. The embedded 3mm layer of TrailFoam™ provides added comfort and protection and the toe bumper helps guard against unexpected bumps you encounter along your way. 

Finally, our huarache-inspired heel cinch and mid-foot webbing remain fully adjustable, giving you a secure and stable fit throughout your adventure, while the iconic wider toe box lets your toes splay and flex to empower your stride.

LIGHTWEIGHT PROTECTION THAT FEELS JUST RIGHT.

At just 8.9 oz each for a men’s size 9, the TerraFlex II is even lighter than the original, placing it just between our ultra-lightweight Mesa Trail running shoe and the multi-purpose DayLite Hiker Fusion boot. This is one hiking shoe that won’t slow you down, keeping you going from trailhead to summit.

WE MAKE HIKING SHOES SO COMFORTABLE, YOU’LL FORGET THEY’RE EVEN ON.

If your feet don’t feel as good at the end of the day as they did in the beginning, you haven’t tried the TerraFlex II.
 
Life-changing comfort and superior performance come from letting your feet do what’s natural – bend, move, flex and feel.
 
All Xero Shoes feature a wider, foot-shaped toe box that lets your toes spread and relax, a non-elevated “zero drop” heel for proper posture, low-to-the-ground design for perfect balance and agility, and a flexible sole that gives you “just right” protection so you can bend, move, flex, and safely Feel the World® in total comfort.

Check out these reviews from Terraflex II wearers

TERRAFLEX II SIZE GUIDE

The TerraFlex II runs fairly true to size.
We recommend your usual size.

FREE EXCHANGES: Most people find our size recommendation gives them a proper fit, but just in case, we have a free exchange program for all US orders.
*If you normally buy a Euro, UK or JP Size, check out the handy conversion charts below.

Men’s Sizing Chart:

US Sizes EU Sizes UK Sizes JP Sizes
6.5 39.5 5.5 24.5
7 40 6 25
7.5 40.5 6.5 25.5
8 41 7 26
8.5 41.5 7.5 26.5
9 42 8 27
9.5 42.5 8.5 27.5
10 43 9 28
10.5 43.5 9.5 28.5
11 44 10 29
11.5 44.5 10.5 29.5
12 45 11 30
12.5 45.5 11.5 30.5
13 46 12 31
14 47 13 32
15 48 14 33

Women’s Sizing Chart:

US Sizes EU Sizes UK Sizes JP Sizes
5 35.5 3.5 22
5.5 36 4 22.5
6 36.5 4.5 23
6.5 37 5 23.5
7 37.5 5.5 24
7.5 38 6 24.5
8 38.5 6.5 25
8.5 39 7 25.5
9 39.5 7.5 26
9.5 40 8 26.5
10 40.5 8.5 27
10.5 41 9 27.5
11 41.5 9.5 28
11.5 42 10 28.5
12 42.5 10.5 29
Any questions? Just call us at 303 447 3100 or send us an email. We’re here to help.

With it’s grippy, lugged soles, the TerraFlex is built for running and hiking on trails.

That’s not to say you can’t walk, stroll, road run, Crossfit and much more… you can.

Put on your TerraFlex and Live Life Feet First!

This is one of my favorite features in the TerraFlex.

The huarache-sandal inspired heel strap can be used to hold your heel and ankle in place. Pull the straps through the ankle holes in the sole, and then lock them in place with the laces.

The instep straps can be used to secure your instep, which can free up your toes and forefoot to relax and function better. Use the laces to tighten or loosen them to your liking.

The TerraFlex is our first shoe designed for trails. With a rugged, stitched upper, it’s great for running and hiking.

The Mesa Trail is made more specifically for trail running, with a lightweight breathable mesh upper, extra moisture wicking with the “37.5” lining, and a protective welded covering for the adjustable midfoot and instep straps.

Both shoes have a grippy, lugged, dual-chevron tread, and a 3mm TrailFoam layer (“hiding” in the outsole) for just-right protection and comfort.

Shoe sizing, especially online, is not a perfect process. That’s why we have a free exchange policy.

For EU/UK/JP sizing, there’s a conversion chart at the bottom of the TerraFlex product description.

The TerraFlex now runs fairly true to size. We recommend going with your usual athletic shoe size.

The TerraFlex is wider than conventional trail running shoes.

Sizing for a shoe is different than a sandal, so if you own one of our sandals, that doesn’t mean you’ll pick the same size in the TerraFlex, so use the measuring info if you can.

Keep in mind, though, that because the foot is three-dimensional, any two-dimensional measuring tool, such as a ruler or Brannock device®, can only approximate your true shoe size. Manufacturers model their shoes on different foot shapes, which is why you might be an 8 in one brand and a 9 in another. And then, there’s personal preference: three people with identical feet might think the same shoe fits differently.

If your foot is really narrow and smaller than a men’s 10, you may want to check out the “women’s” TerraFlex. The conversion between men’s and women’s is 1.5, so a men’s 8 is the same as a women’s 9.5.

We do! We’ve sold Xero Shoes to people in more than 85 countries around the world.
We use the US Postal service to send our shipments. The cost to ship will depend on the weight of the package and the delivery speed you select; several options will be provided at checkout.

All domestic shipments come with tracking. Limited tracking is available for some first class international shipments depending on the country, and full tracking is available with all Priority Express and Express International shipments.

Though almost all of our international orders arrive without incident, we strongly advise you to select Priority Express International or Express International if you live in a country with a less reliable postal service, including (but not limited to) India, Brazil, Mexico, South Africa, and Indonesia. We cannot guarantee delivery of packages shipped using First Class International.

International delivery can take anywhere from 3 days to 8 weeks depending on how long your order spends in customs at the border.

Please note that some countries do require the payment of import duties for international shipments above a certain value. We advise you to know the import regulations of your country and understand that you will be responsible for payment of any duties and fees imposed by your government at the border.

All packages will be marked as merchandise; as a commercial shipper, we are not able to mark a package as a gift (if you’re giving Xero Shoes as a gift, that’s not the same as us sending a gift).
Also, check our Stores page. There may be a Xero Shoes dealer closer to you.

After you purchase a gift certificate, you’ll be able to enter an email address for the recipient.

You could email it to yourself and forward it at a later time if you like.

You can also take the Gift Certificate code and send it to the recipient.

Please go to Xero Shoes Return Policy page to learn about our 45-day return policy.

Caring for your TerraFlex II

To clean your TerraFlex II, hand wash with warm water, mild soap and allow them to air dry. We do not recommend putting the TerraFlex II in the washing machine or dryer.

Customer Reviews
4.8 Based on 285 reviews
5 ★
85% 
243
4 ★
12% 
35
3 ★
2% 
5
2 ★
0% 
1
1 ★
0% 
1
Customer Photos
Write a Review Ask a Question

Thank you for submitting a review!

Your input is very much appreciated. Share it with your friends so they can enjoy it too!

Filter Reviews:
DA
01/24/2023
Darleen A.
US US

Unsatisfied

Return policy difficult and expensive

01/25/2023

Xero Shoes

Hi Darleen, We are sorry to hear about your experience with Xero Shoes. Feel free to send an email over to [email protected] and we would be happy to help.

PG
01/23/2023
Pablo G.
US US

Great shoes but size run small now.

I had the Terraflex original shoes and they were just great. I wouldn't recommend them for crossfit which is the main use for them, but either way they fended great. I had them excange for the Terraflex II and order the same size but what arrive was a 10.5 instead of the 11.5 I expected. So maybe order half a size up just to be on the perfect fit side. Received the size 12 replacemente and they fit perfectly.

MP
01/23/2023
Michael P.
US US

TerraFlex II

I've been running in these for ~2 weeks now. Yesterday through an inch of snow. These shoes kept the piggies warm and dry. So far so good. --peace out

PO
01/23/2023
Paul O.
US US

Best shoes/ shoe company ever

After 150 rounds of Disc Golf in a year, I wire down the tread on my right foot (my pivot foot). True to their word, my Terra Flex II were replaced. Are their shoes amazing? Definitely can't imagine wearing anything else. What really puts Xero Shoes above and beyond is their tread guarantee and their customer service.

A Xero Shoes Customer
TW
01/23/2023
TIM W.
US US

for winter running

These are my new favorite running shoe. Warm and dry for these cold wet January days.

CG
01/23/2023
christopher g.
US US

Great

Love them and every pair ive gotten from xero

JB
01/21/2023
Jason B.
CA CA

Great Barefoot Shoes 4.5/5

I'm fairly new to the minimal shoe style but after 350kms in the TerraFlex II's, I can say I love them! - There was an adjustment period, which was brief, where I had some very sore calves due to transitioning to a more of a forefoot strike! - Running in rain, your feet will get wet. I was expecting them to be more weather resistant in light rain. - The toe box room is roomy, and it could even be wider. Not a dealbreaker though. - I am happy with the tread has been really good for trail and hard surfaces like sidewalks & pavement. I definitely will be ordering more shoes from Xero!

MG
01/20/2023
mike g.
US US

Love Em!

I am very pleased with these shoes. Over the years (I am 70) my feet have changed. I wore cowboy boots, logging caulks, tennys, moccasins, you name it. No more, my feet have become very picky. These shoes are great!

KB
01/16/2023
Karl B.
MY MY

Excellent

Excellent as always, a great fit. I do prefer the older style laces, though that is a personal preference.

FA
01/13/2023
Francisco A.
US US

Most comfortable shoes ever!!!

I absolutely love the fit and feel of my Xero shoes! Lightweight, flexible, and form fitting all day long on the trails and running errands around town!! Everyone should try these on at least once because I’ll bet you love them too!!!