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  • Gore-Tex Extended Comfort lining and Gore-Tex Surround footbeds provide 360° of breathable and waterproof protection to keep feet dry, both from inside and outside
  • Award-winning Gore-Tex Surround technology results in all-around breathable and waterproof hiking footwear that moves sweat quickly away via patented open construction
  • Moisture and warmth escape from below your feet through the Gore-Tex membrane into a spacer, and from there through vents on the sides of the boots
  • STB technology wraps the midsoles and unifies them with the uppers for stability and a locked-down fit
  • Vibram® Nano rubber outsoles provide aggressive traction
  • Backpacker magazine conducts rigorous field testing to select award winners in recognition of their innovation in design, materials and performance


View all La Sportiva Women's Hiking Shoes

REI membership


Best Use Hiking
Footwear Height Over-the-ankle
Footwear Closure Single-pull Lace
Waterproof Yes
Upper Mesh/polyurethane
Lining Gore-Tex Surround membrane
Midsole Compression-molded EVA
Support Thermoplastic urethane insert
Outsole Vibram Nano rubber
Average Footwear Weight (Pair) 1 lb. 7 oz.
Gender Women's

Size chart

Sizing notes

For rock climbing shoes: Choose soft shoes two to three sizes smaller than your street shoe size. We recommend you fit your trad shoes one to two sizes under your street shoe size. Remember to factor in stretch. Unlined slip-lasted shoes tend to stretch about one full size. Lined shoes stretch about a half size. Remember: a well-fit comfortable shoe will work better than an ill-fitting tighter shoe. For boots: Add one half size to your street shoe size. You should be able to slip one finger behind your heel when you are standing up with the boot unlaced and your toes touching the front. If the boot is too short, your toes will get smashed walking downhill. Too long and your heel will slide up and down and give you blisters.

Rated 4 out of 5 by from Great shoe for being outdoors in the winter My La Sportiva Ultra Raptor GTX running shoes had lost their waterproofing, so I was looking for a replacement to wear for walking and snowshoeing. I hoped to find a pair on sale, as good quality lightweight waterproof shoes tend to be pricey. These are a hiking shoe, so slightly heavier than one designed for running, but still fairly light. I've only owned them for two weeks, and I haven't worn them wet snow for more than an hour and a half, but if the waterproofing holds up, I'd say they are great. They are comfortable, supportive, and still quite light. Another plus is the La Sportive sole, which offers excellent traction on a variety of surfaces.
Date published: 2016-02-14
Rated 5 out of 5 by from Awesomeness I bought the gray version of these awesome boots last year. I use them primarily for trail running. They rock. Hands down best pair of trail shoes I have ever used. Sticky. Grippy. Waterproof. Stable. Tough. Supportive. Light. I ran a 1/2 marathon with 3000' of elevation loss/gain in the pouring rain in these boots. Feet dry. Body, feet, legs intact. I don't use them on pavement very often. Lastly, I have foot issues and must use custom prescription orthotics. I just pop them in my La Sportivas and voilá - good to go. Prior to using these boots, I could not run more than two or three miles without disabling foot pain. If the folks at La Sportiva read this, thank you - you gave me my life back.
Date published: 2016-03-05
Rated 3 out of 5 by from Amazing comfort, not waterproof at all I just finished a 50 mile backpacking trip in the High Sierras and comfort-wise these were amazing. They were light on the feet, I came out with one small blister with little toe jam on the almost 7,000 foot descent the last two days. Good grip and stability on all terrain. Overall I was really happy with the fit. However one step in a stream (luckily the last day) and water rushed in like a pair of summer running shoes. When I got back to the Midwest I did a morning hike in the dew and same issue, came out soaking wet. The reviews were mixed on if they were water resistant. Maybe it's a manufacturing issue. If you live in a dry climate these would be great, for those of us who don't I would look elsewhere.
Date published: 2016-09-13
Rated 5 out of 5 by from Love the Surround technology Finally - a Gore-Tex shoe I can wear in warm weather! I was skeptical about the Surround breathability hype, but these shoes are amazing. I wore them in TX and OK: 80+ degrees, 88% humidity. After hiking, my feet were actually comfortable - not unbearably warm, and not dripping with sweat when I took the shoes off. They also successfully fended off moisture from the puddles, heavy dew, and rain-wet vegetation. If the Gore-Tex membrane holds up, these will be my favorite shoes.
Date published: 2015-06-27
Rated 5 out of 5 by from Excellent boots for walking, hiking, and biking I bought these boots in a desperate attempt to find something that would not give me blisters. I ordered them online and almost sent them back out of the box because I could not get them on my feet. I could have used a shoe horn, which I didn't have. The laces are the kind that you don't tie; you cinch them with a toggle, and so they don't come all the way undone. Brand new, they are nearly impossible to get your feet into. But after a few times of wearing them, something stretched, and it's no longer a huge struggle to get them on. As for the blisters, I have walked all day in them, and I have taken a fairly steep four-mile hike. In my other boots, I would have noticed hot spots after 2 or 3 miles, but these were absolutely wonderful. No hot spots at all. I also must disclose that I confounded my variables because I also used, for the first time, Leukotape on my heels. Well, whether it was the shoes, the Leukotape, or the combination, it was a miracle. I also use these for cycling on flat platform pedals. They grip like nothing else! I did a 60-mile ride in them, and they performed admirably. I have only walked through dew-soaked grass in them and, although my feet didn't get wet, I really cannot attest to their waterproofness.
Date published: 2015-04-27
Rated 5 out of 5 by from PCT Tested I bought my first pair of La Sportiva Synthesis GTX hiking boots this past spring in a desperate attempt at finding something that would work for my narrow feet. I had tried many other hiking boots in the past and had never found a great fit for my feet. My husband and I were planning to thru-hike the WA section of the PCT in July and I needed new boots! I used them on several gear-test/ conditioning backpack & hiking trips before we embarked on our PCT adventure and was really happy with them. It rained a lot on our spring outings and they performed very well. Yet the real test came as we set out for a month on trail. These boots covered 514.5 miles in one month's time and held up well. Like any boot (even Gore-Tex), they eventually let water in in rainy conditions, while hiking through wet meadows, and while crossing long stretches of snowfields. However they dried very quickly once the conditions dried out and were comfy even when wet. I did get blisters at first but my feet were conditioned and blister free by week 2 and stayed that way for the remainder of the thru-hike. (We only took one true zero the whole trek so my feet were adjusting on the go with 8-10 hour hiking days covering 15-20+ miles each day) The lacing system is a breeze and so quick and easy to adjust on the trail. I was able to easily pull the laces tight enough to make even my narrow feet comfortable and would think that these boots would lace to fit most any foot width like a perfect hug. Foot soreness is inevitable when walking all day bearing weight, however these boots minimized the pain of thru-hiking more than others I had previously tried. I found the tread to be grippy and felt solid even on the more gnarly sections of trail we encountered. I found this to be true even with wet conditions. The material does breath very well. My feet were never too hot or too cold. Word to the wise: Keep an extra pair of traditional boot laces with you as these boots get more worn. I did need to make an emergency lace fix literally the night before our last day on trail as the original lace system started to fail. Both the laces and the webbing loops the laces go through were wearing through. I wasn't paying much attention to this until it was almost too late. But with one emergency lace for one boot and cut/burned parachord for the other I finished the journey in Manning Park, BC successfully. I sadly threw them away there but I happily just bought another pair yesterday and can't wait to wear them out while making new epic trail memories.
Date published: 2016-08-27
Rated 2 out of 5 by from Not the boot I hoped for. I realized quickly after one 10+ trip these boots were not going to be the right ones for me this season. They provide very little protection underfoot - especially in the forefoot. My feet were pretty sore in the forefoot after a 10 mile hike. The biggest downfall I have had is the rubber sole in the front of the boot is peeling apart already. I have had these boots since May and they are already falling apart.
Date published: 2015-07-11
Rated 5 out of 5 by from Excellent for sensitive feet After having foot surgery, I was left with few choices in boots. As a wildlife biologist who spends most of my time off-trail in the mountains, boots are a necessity, particularly those that provide good protection underfoot and good ankle support. The issue for me was balancing those attributes with a highly flexible upper that didn't put pressure on my sensitive feet. By the time I got to these boots, I was really pessimistic about finding anything that would suit me and not make my foot problems worse. These boots fit the bill for everything I needed; so much so that I recommended to them to a friend who bought them and also loves them! I have hiked many 15+ mile days off-trail on rocky, montane substrate without issues with my feet or the boots themselves. I've slogged through mud, dust, dirt, rock, cactus, and slippery leaves with ease. I've also used these boots for snowshoeing, and was absolutely amazed at how light and agile they felt in snowshoes. They're my "daily drivers" and I couldn't be more pleased with them. FWIW, there are claims that La Sportiva boots run narrow. This was a concern for me as I have rather wide feet, especially the foot I had surgery on. I've had hiking boots that squeeze my feet so much I wish I could remove my pinky toe (seriously, I'm not going to do it!). I've never had even a hint of that with these boots, perhaps because the uppers are so flexible.
Date published: 2016-05-25
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Once they get wet - how quickly do they dry? Are they available in wide sizes for women?

Asked by: DyanTX
The Synthesis Surround GTX Hiking Boots are vented so they dry very quickly. They are not available in wide sizes.
Answered by: REIservice
Date published: 2016-08-29

I've enjoyed these boots for a year but they're getting pretty dirty and yesterday I took a soaker.  What is recommended cleaning?

Asked by: athome
Nikwax Footwear Cleaning Gel can be used to clean footwear:
Answered by: REIservice
Date published: 2016-08-12

Is this coming in stock in smaller sizes (i.e. 36 or 36.5) anytime soon?

Asked by: knutemannen
​As of January 2017, we do not have any plans to stock this shoe in 36 or 36.5.
Answered by: REIservice
Date published: 2017-01-13

I have bunions and use super-feet or prescription orthotics for pronation. I am delighted that you have a size equal to 10.5 in these boots, but how narrow is the toe box?

Asked by: Jane VS
The Surround GTX Hiking Boots runs fairly true to size and is not narrow or wide.
Answered by: REIservice
Date published: 2016-08-24

Are those boots recommended for use in snow conditions?

Asked by: Faggiani
The Synthesis Surround GTX Hiking Boots can be used in snow, but do not have any insulation for warmth.
Answered by: REIservice
Date published: 2016-12-05

After hiking in the la sportiva for over 300 miles should the shoe or insoles be replaced?

Asked by: Lisa
​These boots should be replaced if there is significant wear to the insole, tread or upper. Putting an exact mileage on a pair of boots is difficult to do based on all of the variables (such as terrain or the loads you carry).
Answered by: REIservice
Date published: 2017-02-22

I would like to know how true to size these shoes are?

Asked by: doverlander
La Sportiva footwear typically runs a bit narrower than most other brands but true in length. We’ve not heard of any different fit issues regarding the Synthesis.
Answered by: REIservice
Date published: 2016-09-05

Can you buy replacement single-pull laces? 

Asked by: hiker
​These exact laces are not available in our product assortment, unfortunately. We suggest contacting La Sportiva directly to see if they may have replacements.
Answered by: REIservice
Date published: 2017-03-24
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