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ColdWeather LS Shirt

ITEM # PG-10777


Customer rating

Men's Sportswear 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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Quick dry warmth featuring micro fleece waffle-lining
But Simms takes this hardworking mainstay into the 21st, with the boosted warmth of waffle-lined micro-fleece internals. ColdWeather LS features include quick-dry performance, potent UPF50 sun protection, and chafe-free, off-shoulder seaming for added comfort. Stash gear in two super-sized, top-close chest pockets. And stay effortlessly stylish in these ultrawarm, brushed-flannel performance plaids.


  • Flannel, waffle fleece-lined shirt to keep you warm during winter fishing
  • Two fly box compatible chest pockets with hook and loop closure
  • Off-shoulder seams for comfort
  • Slight drop tail
FABRIC TECH: : 100% Polyester flannel, 100% Polyester waffle fleece
STYLE FIT: : Traditional Fit



Size Chart

Men's Sportswear 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

Product Care

Sportswear Product Care

Machine wash cold with like colors. Use mild detergent. Gentle cycle. Do not use bleach. Tumble dry low. Iron inside-out.



  • At Simms, sun protection is a critical component of our sportswear offering.  Through a combination of fabric construction, design and finish, we offer a wide range of clothing that features a minimum UPF of 30 (very good) up to UPF of 50 (excellent).  UPF stands for Ultraviolet Protection Factor and indicates how much of the sun's UV radiation is absorbed.  A fabric with a rating of 50 will allow only 1/50th of the sun's UV rays to pass through.  This means the fabric will reduce your skin's UV radiation exposure significantly.  All of our UPF finishes last the life of the garment, an industry standard of 30 washings.


Customer Reviews

11 Review(s)

9 Item(s)

Love this shirt Review by Michael

Michael 3/2/2017

I live in Alaska and this is by far my favorite shirt. I own two and have bought many others as gifts to family members. All have raved about how much they like these shirts. They are comfortable right out of the package. They are a warm mid layer under a down jacket in sub-zero temps. I've comfortably worn as an outer layer in mid 20 to 30s for short durations while shoveling the driveway. It's the perfect throw-on during fall floats in south central Alaska. I'm very glad a friend told me about these!! Not had an issue with size. I typically wear XL and the XL fits me perfectly. For reference, I'm 5'11" - 215lb.

(Posted on 3/2/2017)

Great Shirt, Longer Sleeves would be great Review by Nepptune

Nepptune 12/14/2015

I love these shirts, but agree with one of the other reviewers that the sleeves could certainly use at least another inch or inch and a half.. I am normally an XL in most Simms things, but have recently had issues with different items across the ranges being completely different sizes in the same XL sizing.. some are perfect, others too big, others too small... This shirt would need to be an XXL for me I think... Great item, just weird sizing...

(Posted on 12/14/2015)

Super Shirt Review by Redbrook

Redbrook 11/12/2015

This is a wonderful shirt. Very warm but very comfortable. I went one size up since I have a quarter zip underneath it and it fit perfect. Looks great and is very functional. Really love it.

(Posted on 11/12/2015)

Awesome Shirt Review by Wes

Wes 10/19/2015

I don't normally write reviews but this shirt deserves one. My dad and I both got one for fall trout fishing in the Appalichains. So far has kept me warm and comfortable in temps in the mid 30's. The lining is great! Another great Simms product. Love it!

(Posted on 10/19/2015)

awesome shirt Review by Fishingloon

Fishingloon 10/2/2015

Bought this shirt for a cold Colorado morning. Was the best purchase of that trip. Really comfortable and warm.

(Posted on 10/2/2015)

Very warm flannel Review by Ryan

Ryan 4/2/2015

I purchased 2 of these shirts not long ago. I really like all the attention to details in the shirt/flannel. The inside lining is awesome. Kept me really warm in 35/40 degree temps with just a t-shirt underneath. Theirs only 1 drawback and I wish the sleeves were maybe 1" longer. For me when I extend my arm reaching for stuff, the cuff will ride up my arm a little. But my arms may be a tad on the longer side? A 3x size in this would be great too.

(Posted on 4/2/2015)

All Around Excellent Review by mwalters503

mwalters503 2/18/2015

In Minnesota, the seasons run their full course. The Coldweather LS Shirt is a staple for me on and off the water from fall through early spring. Fleece lined and extremely flexible, I can layer this to be mobile, yet warm. Exactly what high performance fishing apparel should be.

(Posted on 2/18/2015)

Excellent shirt Review by ANF hiker

ANF hiker 12/18/2014

High quality shirt - well made, well proportioned, and extremely comfortable. Sizing is accurate I think - if you plan to wear something more than a t-shirt beneath it you may want to go up a size. Shirt tail is somewhat shorter than average, which I like for a lined shirt as it makes it conducive to wearing/looking neat without being tucked in.

(Posted on 12/18/2014)

great shirt!! Review by src bum

src bum 10/18/2014

I recently purchased this shirt. Its so warm & comfortable! I'd recommend getting a bigger size though. I'm usually an XL but found the XXL to fit better.

(Posted on 10/18/2014)

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