G3 Guide™ Boot

ITEM # PG-10399


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Simms’ G3 Guide™ Boot has blazed more miles than any other wading boot in existence—and it’s just warming up. Advancements to this year’s incarnation include the guide-approved performance of a RiverTread™ platform featuring proprioception, which minimizes rigid underfoot materials for enhanced feel whether on the trail or in the water. Vibram® Idrogrip outsoles add to this great-grip equation thanks to multi-directional lugs—compatible with all Simms’ AlumiBite™ and HardBite™ cleats and studs. Additional features include a TPU molded heel clip for a positive, locked-in fit, as well as neoprene internals that deliver cushioning where it counts for superior wading warmth, comfort, and easy on/off activation.

G Series in Mongolia


  • An update to Simms’ signature Guide Boot for a lighter, yet more durable balance of wet trail & all-day wading
  • Simms NEW RiverTread™ platform for guide-ready wading performance, support & traction
  • TPU molded heel clip for positive heel fit & hiking security
  • Partially-lined with neoprene for wading warmth, cushioning & easy-on/easy-off
MATERIAL TECH: Waterproof nubuck leather & TPU-coated textile upper, RiverTread™ platform/4.0mm Vibram® Idrogrip rubber outsole
APPROX. PAIR WEIGHT (size 10): 59.2 oz
SIZES: 07-14, whole sizes, EEE width

TAGS: , ,


Size Chart

Men's Wading Boot Size Chart

To allow proper room for the neoprene stockingfoot, find your regular shoe size in the right-hand columns and order the corresponding Simms Boot in the first column. This will typically be one size up from your normal shoe size for men and one size down for women (ie: a women's USA size 8 would take a men's boot size 7).

(Simms Boot size 5 will fit a Youth Size 4, etc.)

Simms Wading
Boot Size
5** 4 37 3 22
6** 5 38 4 23
7 6 39 5 24
8 7 40 6 25
9 8 41 7 26
10 9 42 8 27
11 10 43 9 28
12 11 44 10 29
13 12 45 11 30
14 13 46 12 31
15** 14 47 13 32
16** 15 48 14 33

Not all styles available in all sizes; please see individual boot for size specifics
** Freestone Boot - Streamtread only


G Series in Mongolia

Simms G3 Guide™ Boot

Product Care

Guide Boot Care:

For proper cleaning of your footwear to descrease the likelihood of spreading Aquatic Invasive Species, please reference our CleanStream™ page.


Guide boots are made water-repellent full grain Nubuck leather.  They require little maintenance but should be cleaned and dried.

If using in saltwater always clean and rinse to prevent corrosion.

Use a brush to remove dust and dirt. Choose an old vegetable brush or toothbrush. For maximum thoroughness, remove laces prior to cleaning. Use specialized boot cleaner, saddle soap or maybe a mild dishwashing soap with luke-warm water.

Do not use bar soap or detergents.

Do not place wet boots close to a heat source (fireplace, campfire, wood stove, radiator, heater, sunny windowsill) as this can weaken adhesives and cause materials to become brittle or shrink.

Dry using natural methods (air dry) and try to keep them out of the sun for long periods of time. Boots dry faster when positioned upside-down. If desired, stuff a sheet or two of newspaper into each boot to absorb moisture. Change the paper each hour.

If you see any mold on your boots, brush in a mixture of 80% water and 20% vinegar.

Over time the use of leather conditioners may provide increased water repellency and can prevent cracking and drying of the leather.

Store boots in a place where temperatures are stable and normal. Do not store boots in attics, garages, car trunks or any unventilated spaces.

Never put boot in washing machine.



  • CleanStream™ is a design philosophy that runs through our line of wading footwear. While not specific to a product feature, this designation does indicate that the product includes features and/or materials that are more resistant to "hitch-hiking" organisms – have less exposed stitching, fewer ridges & pockets and utilize non-absorbent materials – all making the boots easier to inspect, clean and dry faster. All of these elements assist anglers in doing their part to prevent the spread of invasive species. For more information, please visit our CleanStream™ page or these organizations: www.cleanangling.org, www.protectyourwaters.net or www.tu.org.

  • The New RIVERTREAD™ platform is designed for the demanding angler looking for the best wading footwear on the market.  RIVERTREAD™ features Simms’ latest engineered components to maximize comfort, performance, and slip-resistance.  The molded 3D footbed with arch support and ball flex aligns the foot for all day comfort and optimizes biomechanics.  Molded dual-density EVA midsole creates extra cushioning for hiking comfort and enhances proprioception.  A Molded and minimal TPU rentention plate allows lightweight cleat retention and enhances proprioception.  A molded Vibram® Idrogrip® outsole with 4mm self-sharpening multi-directional lugs permits long lasting traction on trails, slip resistance in water and toe protection.  Also available in a 12mm Felt outsole.

  • Vibram® soles are built from the bottom up and are designed to overcome very specific obstacles on a variety of terrains. Vibram® invests heavily in research and development of products never overlooking even the most minute detail. Vibram® soles boast innovative compounds and technical sole patterns, specifically developed to meet the challenges of many different environments and applications. www.vibram.us


Customer Reviews

31 Review(s)

Items 1 to 10 of 31 total

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G3 Guide boot Review by jim
The best boot yet from SIMMS I have bought, comfortable for all types of wading/walking, get this boot!!!!!

(Posted on 7/23/15)

Quality Boots Review by Salmon
After spending any entire field season in a cheap pair of wading boots for 40 hours a week I instantly knew I had to upgrade my even cheaper personal fishing boots. Went with the G3 Guide Boot and I could not have made a better decision. Not only is this boot tough and durable it is also very comfortable. Since my purchase I have put in 10+ hour fishing days in with ease wearing these boots. Don't forget spikes as they are a necessary piece to these boots.

(Posted on 7/13/15)

Good and Bad Review by Tundra
Purchased for a 10 day remote canoe trip. When wet the boots are so heavy I had difficulty lifting my legs out of the canoe from a sitting position, which I had to do many times each day. Also, each time I got back into the canoe I had to hang the boots over the outside edge of the canoe and stick my finger up the doubled over neoprene flap to let the water drain out, otherwise it would all drain out into the canoe. On the plus side they were very comfortable, had great ankle support and grip on the river bottom.

(Posted on 7/10/15)

Great boot but prefer the previous version Review by Paul
The G3 Guide Boots have been my favourite boots for fishing. In my opinion the G3 boots are great. Comparing to the previous version I prefer the older model. I like the fit of the older model but it is very marginal compared to the latest ones. My biggest complaint with the new version is the sole doesn't retain cleats like the older version. I lose cleats every time I go fishing/wading. I lost cleats on my older G3s but not as frequent as the new version. My local fly shop recommended using Aquaseal on the screws to act as a "loctite". I'll give this a try on my next batch of cleats.

(Posted on 6/30/15)

Great sturdy boots. Review by Francois
I think it's my fifth pair of wading boots from Simms and they always last me a long time. This one seems no different. The fit is good and I feel confident walking in them in fast water as they hold my ankles like hiking boots would. The only problem I see over time, is the tongue of boot seem to go really high and it pushes against the gravel guard on the waders, this might create a leak over time. Beside that, only positive things come to my mind.

(Posted on 6/29/15)

Very Good These Boots. Review by Seyoul
The ankle support is great and my feet and legs feel great after my fist day in these boots.

(Posted on 6/29/15)

Too Many Carbite Cleats Pull Out Review by PRCA Angler
The boot itself fits great and provides good support for all day fishing and hiking into remote fishing areas. The grip with the extra, but expensive, carbite star cleats is great too, but those cleats pull out much too easily. After a couple days, we (3 people with new boots) were missing several cleats from each boot. After two weeks each boot had lost 4-6 cleats. Replacing them with new cleats does not work well, because the sole is stripped and the replacement cleats pull out even quicker.

I think the cleats are too close to the edge and the 'red sole' that is supposed to hold the cleats in is too weak. Simms has replaced our boots a couple times, but that does not alleviate the problem. We have spend $100s on carbite cleats since starting to use these boots in March 2015 (today is June 7, 2015).

We have had cleats pull out on previous Simms boots too, but very sporadically, 1-2 cleats over a season with similar use.

Hope Simms solves this problem!

[Response from Simms Customer Care Team] Thanks PRCA. We have passed this information on to the product team.

(Posted on 6/7/15)

Best wading boots out there Review by Caddis19
I recently purchased the new G3 Guide boot with rubber soles. It is my third purchase of Simms Guide boots. My original Guide boots had felt soles and they finally wore out after years of use. The second pair I purchased are felt with cleats. Those are still going strong after many years of use, perhaps because I haven't worn them as much. Either way they are still serving me well with no issues. I am rough on wading boots but Simms boots hold up very well and are worth the price. That being said, I love my third pair of Guide boots. I have always preferred felt and I am very reluctant to change but I purchased this third pair with the rubber soles. The boots serve me well hiking to and from rivers and streams. The rubber doesn't grip as well as felt so I will no doubt purchase the same boot again but with felt soles rather than rubber.

I don't buy into the idea that rubber soles spread less aquatic parasites and diseases. Many if not all boots today are constructed with mesh fabrics and other materials that can catch and hold parasites.

That being said, with recent legislation(s) that forces the use of rubber soles in certain states and countries, its only a matter of time until lawsuits for broken backs, busted heads and limbs changes things back. Who are manufacturers trying to kid. Its all a marketing ploy! I don't blame manufacturers for want to try new and better things however, lets not kid each other. Felt is still the best option.

(Posted on 5/12/15)

Great Boot For Water Or Hiking Review by Ted
These boots are great in the water but what really has surprised me is hiking in them. When I pack my waders into a place to fish I don't want to have to carry my boots also. I have hiked twice in them so far with distance of 7 & 10 miles. Neither hike produced problems.

(Posted on 4/3/15)

Love these boots!! Review by Smirkyrob
Bought these boots after about a year of changing my mind back and forth about whether go spend $200 on boots or not... and whether or not to leave felt behind. Only one long day on the river so far, but I was amazed at the grip with these suckers.

The ankle support is great and my feet and legs feel great after my fist day in these boots. I will update if anything changes....thanks Simms!!

(Posted on 3/30/15)

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