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.


  • 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


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

3 Review(s)

3 Item(s)

100+ Days and No Issues Review by Matt
I bought a pair of these boots about a year ago and they have certainly seen a lot of mileage. I tend to do a lot of hiking when fishing so I've used these for both hiking and wading. I've had studs/cleats in and out of them multiple times and the soles are still in good shape.
After 100 or more days of use the tread is definitely getting worn down but that's to be expected, and they still grip nearly as well as when they were new.
I have gone through a pair of laces but they're easy to replace. Other than that I've had zero issues with these. Everything has held together well. These boots have excellent fit and support.
My only complaint is that they are very heavy compared to some other boots out there but I think the extra durability is worth the price in weight. One thing is for sure--I have yet to find any wading boots that out-perform these and I would recommend them to anyone.

PS--there's nothing wrong with vibram soles. If they aren't grippy enough for you then use cleats/studs, buy felt, or better yet learn to wade better.

(Posted on 5/27/14)

Top Notch Boot Review by Mark
I bought a pair of these and could not be happier with them.Very well made, comfortable , like a really good hiking boot,great fit and ankle support, and as light as can be !!, A nice compliment to the Simms waders that are also in a league of there own. I did put the hardbite star cleats on them for added rock gripping power and they work well and would highly recommend these boots to any one looking for a high quality wading boot.

(Posted on 4/20/14)

Excellent! Review by Neal
Beautifully made wading boot. Only issue is that I wear a 10 1/2 street shoe and ordered a size 11 boot. It works great when only wearing a liner sock, but am unable to wear anything any thicker. A size 11 1/2 boot would have been perfect.

[Response from Simms Customer Care Team]
Thanks Neal. I am also a 10 1/2 and ended up going with a size 12 boot. I mainly use my G3s with my waders and put on a heavier sock to fill that extra space. If I am wet wading I will guard socks which can be found under accessories or will switch to the RipRap Shoe. If you haven't already try a thinner sock when using waders. If you have any further questions please reach out to us at 888.585.3570 or [email protected] We can help you find the right fit.

(Posted on 2/18/14)

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