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G4 Pro™ Jacket

ITEM # PG-10670


Customer rating

Men's Outerwear Top Size Chart

Men's Sizes Chest* Neck*Sleeve*
S 36" - 38" 14.5" - 15" 33" - 34"
M 39" - 41" 15.5" - 16" 34" - 35"
L 42" - 45" 16.5" - 17" 35" - 36"
XL 46" - 48" 17.5" - 18" 36" - 37"
XXL 49" - 51" 18.5" - 19" 37" - 38"

* These are body measurements

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The ultimate wading jacket
Dress for absolute angling success in Simms’ versatile, stormproof G4 Pro™ Jacket. Featuring updated GORE-TEX® PRO SHELL fabric, new G4s are 15% lighter than previous incarnations, while boasting an increase in bomber abrasion resistance and tear strength from top to bottom. Slip your hands into the drink, caress the tail of a two-footer, and keep inner sleeves dry thanks to the highly water-resistant Dry Cuff™ system. And source savvy architectural accents via nine storage pockets, including fly-box friendly bellowed and zippered chest options, two tippet pockets, a convenient sleeve stash, internal woven stretch storage, and one heaping back compartment—big enough to swallow your lunch, and then some. Welcome to the unmatched G4 Pro™.

Read about the Evolution of the G4 Pro™ Jacket

See the VIDEO tab for more on the G4 Pro™ Jacket

View Product Features

Terrace Chrome


  • Updated GORE-TEX® PRO shell fabric: 15% lighter weight than the previous G4 Pro™ Jacket, with improved abrasion resistance and tear strength
  • 9 storage pockets: 2 bellowed chest pockets, 2 zippered chest pockets, 2 tippet pockets, 1 sleeve pocket, 1 internal stretch woven pocket, and 1 large back storage pocket
  • Highly water-resistant Dry Cuff™ design keeps water out of the sleeve when tailing fish or casting in the rain
FABRIC TECH: : 3-layer GORE-TEX® Pro Shell fabric; 100% ripstop nylon face
APPROX. WEIGHT: 23 oz/660g




Size Chart

Men's Outerwear Top Size Chart

Men's Sizes Chest* Neck*Sleeve*
S 36" - 38" 14.5" - 15" 33" - 34"
M 39" - 41" 15.5" - 16" 34" - 35"
L 42" - 45" 16.5" - 17" 35" - 36"
XL 46" - 48" 17.5" - 18" 36" - 37"
XXL 49" - 51" 18.5" - 19" 37" - 38"

* These are body measurements


G Series in Mongolia

Forget the Forecast -
the Next Evolution in G4 is Here

Embrace Elements

GORE-TEX® Technology and Simms Gear

Product Care

GORE-TEX® Outerwear Care:

Cleaning your GORE-TEX® garments regularly will extend the life of the product. It will also keep them breathable as dirt and oil can clog the GORE-TEX® membrane over time.

It is critical to wash jackets. Natural oils can damage the GORE-TEX® tape and adhesives causing a peeling effect.

Machine wash warm. Do not use fabric softener or bleach.

Remember to zip all pockets and close all Velcro cuffs before washing to prevent any damage caused by the machine.

Tumble dry on warm setting making sure not to use a high heat setting. Drying on warm will actually reactivate the DWR coating.



  • GORE-TEX® PRO SHELL outerwear is waterproof, exceptionally lightweight and offers the ultimate in breathability, durability and extended comfort. Constructed with a woven backer, GORE-TEX® Pro Shell garments slide easily over other layers and offer exceptional tear strength and internal abrasion-resistance.

  • The AquaGuard® VISLON® zipper is a revolutionary new design from the global leader in containment closures. The AquaGuard® VISLON® zipper's new tooth design provides enhanced fluid repellency vs. coil or standard individual element closures, while increasing the number of design and color options for your application.


Customer Reviews

16 Review(s)

Items 11 to 12 of 12 total

G4 2014 Wading jacket Review by zonker 05

zonker 05 10/28/2014

Have been using the new 2014 G4 now for a dozen trips or so and find it a great wading jacket. Great features. More than enough pockets and very user friendly. A few good natured comments on the design would be to make it a bit shorter. I like my wading jackets on the short side. Also the full neck zip is a bit tight when you use a neck gaiter. Other than that it is bomb proof and I consider it an essential for Michigan all season steelhead fishing.

(Posted on 10/28/2014)

Don,t fall in love with marketing shots! Review by NatureLover

NatureLover 10/3/2014

Bought XL G4 jacket. Fits alright except... the sleeves are a bit short! And believe me, I wasn't looking for a Big & Tall item. Additional elasticated cuffs with thumb loops would be a welcomed extension.
Another thing is the underarm zippers are completly misplaced! They give you access to your triceps but waaay off the targeted armpits! And additional inner dry pocket would be usfull too.

Overall impression: overprised comparing to Gore-Tex Pro technical jackets available on the market.

(Posted on 10/3/2014)

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