Thunderhead Pant
Thunderhead Pant
Thunderhead Pant
Thunderhead Pant
Thunderhead Pant
Thunderhead Pant
Thunderhead Pant
Thunderhead Pant

Thunderhead Pant

  • Big Game : Optifade Subalpine
(10 Reviews)

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Getting within range is tough enough without the swishing and pattering noises of typical rain gear blowing your cover. The Thunderhead Pant pairs with the Thunderhead Jacket to create a system that combines an exceptionally waterproof and breathable 3-layer GORE-TEX fabric with an ultra-quiet brushed polyester knit face to keep you protected and silent. A durable water repellent finish prevents water from soaking into the soft face fabric, a brushed backer provides against-the-skin comfort and full-length side zips allow for easy on and off without removing your boots.

Product ID: #50148

Sizing Guide

Jacket & Tops Sizing

Size Chest Sleeve
Small 36 - 38" 33"
Medium 39 - 41" 34"
Medium Tall 39 - 41" 36"
Large 42 - 45" 35"
Large Tall 42 - 45" 37"
X-Large 46 - 49" 36"
X-Large Tall 46 - 49" 38"
2XL 50 - 53" 37"
2XL Tall 50 - 53" 39"
3XL 54 - 57" 38"

Pant Sizing (Inches)

Size Waist Reg Tall
30 30" 31"
31 31" 31"
32 32" 31" 33"
33 33" 32" 34"
34 34" 32" 34"
35 35" 32" 34"
36 36" 33" 34.5"
37 37" 33" 34.5"
38 38" 33" 34.5"
40 40" 33"
42 42" 33"
44 44" 33"

Pant Sizing

Size Waist Reg Tall
Small 28 - 30" 31"
Medium 31 - 33" 31" 33"
Large 34 - 37" 32" 34"
X-Large 38 - 41" 32" 34"
2XL 42 - 45" 32" 34"
3XL 46 - 49" 32" 34"

Equinox & Dakota Pant Sizing

Size Waist Reg Tall
30 31" 31"
32 33" 31" 33"
34 35" 32" 34"
36 37" 32" 34"
38 39" 32" 34"
40 41" 32"
42 43" 32"
44 45" 32"

Glove Sizing

Size Palm Circ Length
Medium 8 - 8.5" 7.5 - 8"
Large 9 - 9.5" 8.5 - 9"
X-Large 9.5 - 10" 9 - 9.5"
2XL 10 - 10.5" 9.5 - 10"

Gaiter Sizing

Size Calf Circ Boot Size
M/L 17.5" US 6-10"
L/XL 18.5" US 10-14"

How to Take
Your Measurements


    Bend your elbow and put your hand on your hip. Measure from the center of the back of your neck, along the shoulder and down the elbow to the wrist bone.


    Take measurement under armpits, around fullest part of chest and shoulder blades.


    Measure around where you normally wear your pants, keeping the tape measure a bit loose or putting one finger between your body and the tape measure.

  • 4. INSEAM

    In a standing position,measure from your crotch to where you want your pants to end, breaking at the top of the shoe in the front and just above the heel in the back.

  • 5. GLOVES

    With hand partially closed, measure over the knuckles, around the hand, excluding the thumb.

Fit Guide

SITKA Gear engineers gear with a specific Fit and intended end use in mind. These functional designs provide the user with authentic garments for the right situation.

Fit Descriptions

We can communicate our Fit descriptions in 3 different ways. Keep in mind that each garment will allow for layering in accordance to the garments place in a system and described Fit

  • P/F
  • S/F
  • E/F

    Designed for minimal layering. Whether an early season piece or already insulated this garment fits to prevent inefficiencies in heat retention caused by dead space.


    Designed to accommodate layering for more versatility from early to late season climates.


    Designed for maximum layering in the worst conditions. Cut roomier to accommodate additional layering underneath.

Back to Shopping
  • GORE™ OPTIFADE™ Concealment Subalpine is designed for stalking and ambushing ungulates from ground level in tree-covered and vegetated terrain.

  • GORE-TEX waterproof/breathable fabric helps you stay comfortable and focused.

  • GORE-TEX 3-layer fabric with brushed polyester knit face and backer

  • Durable Water Repellent finish resists light precipitation and prevents the face fabric from wetting out.

  • Weight: 22.45 oz. // Size: L

  • Imported

Water Protection
Wind Protection
Product is Performance Fit, designed for minimal layering.



Product Comments

10 Reviews
Write a Comment
Reviewed On 04/06/2021

I've worn these pants for two years. They are great at keeping water out and blocking wind. The flaws are only one pocket, It comes with a non removable belt and belt loops are too small to use a belt of your choice.

Reviewed On 12/02/2020

Does a great job keeping you dry with barely any noise. Only problem is they fit small so order a size up.

Reviewed On 01/08/2020

I bought the Thunderhead pants and jacket for a NM archery elk hunt this year. They both performed absolutely amazing and kept me 100% dry. They are a bit noisy when brushing up against trees and shrubs but this is by far the quietest rain gear I own. (much quieter than the cloudburst line) I really didn't notice the noise much as the rain noise offset it. The material is almost like a microfiber cloth with a gore-tex backer material. They are strictly a rain shell and do not have insulation. With that being said I would highly recommend them. Absolutely great product.

Reviewed On 09/20/2019

I was rolling from the hot central Washington into a spot deep in the cascades. There was some significant rainfall in the forecast. Last year I had picked up the jacket; which performed awesome. This year I bought the pants. I spent 9hrs in the field in light drizzle all the way up raining sheets. When I got back to my campsite I was the only one still dry. Packs up well. Performs well. A little more rubbing noise than I'd like for archery though.

Justin C
Reviewed On 07/28/2019

Used the thunderhead pants and jacket this past turkey season in Georgia. Both kept me dry during spring showers and the super quite material allowed me to stalk up closely to the birds in the field. These pants held up well on many ground crawls. Highly recommend adding this gear to your hunting closet.

Reviewed On 10/13/2018

I just returned from a week long Moose hunt in Newfoundland, Canada. We had a some cold temps and a fair bit of rain. I used the Thunderhead jacket and pants all week. It keep me dry and warm the whole time. I did buy a size bigger then I usually wear for layers as i knew I would wear it for cold mornings not moving while glassing and went a bit heavy on the layers. It was conformable for hiking and very quiet for stalking. The pattern worked well for me but I know a few guys that would be interested in the same gear in Sitka's other patterns. I feel that this product is a great investment and well worth the price. It is hard to find quiet Gore-tex gear and this fills that gap. I would and have recommended this product to anyone that wants to stay dry and quiet. Great job Sitka on this one!

Joel Grishaw Port
Reviewed On 08/30/2018

Okay -- this product review, all positive is for later -- but for now I want to point out customer service. I am headed to the Highlands of Scotland and the Thunderhead pants were not fitting properly. SITKA rushed a pair JUST in time for me to make the trip -- THANK YOU. Forever a #fan!


Danna Baxter
Reviewed On 12/14/2017

This product is amazing! It kept my husband bone dry in some of the worst rain weather we have experienced in years. Can't say enough great things about the Thunderhead line in general!

The real reason for this review is to talk about how INCREDIBLE the Sitka customer service team is.

We bought the whole Sitka Thunderhead set (pants, jacket, gaiters, gloves, hoodie) and spent about a thousand dollars on it for our last hunt if the season. It was a last minute purchase because the weather was supposed to be super wet. On the third day of our hunt my husband was out past dark and took a bad fall over a hidden ball of barbed wire and ripped his pants to shreds. Luckily the pants were the only thing that got seriously hurt.

When I got home we were trying to figure out how to buy another pair of the pants, I thought I would take a Hail Mary and see if Sitka could help in any way. I figured it would be an immediate no, but I was wrong. The response I got was overwhelmingly surprising. They said we are all hunters here and understand accidents happen. It doesn't fall under our warranty BUT let's see how we can help.

We will continue to buy Sitka gear for life now because the gear is amazing but the customer service is the best I have come across. They took care of us even though they had no obligation to and made customers for life. Thank you Sitka team!

Reviewed On 10/14/2017

Reviewed On 10/10/2017

I have a lot of this new line and love everything but these pants... do they keep you bone dry yes...however, if you have to throw them on over something cause weather is coming in and have to hike out you better buy a size or two bigger than you would normally would. Hiking with these pants on was like hiking with resistance bands around my thighs.. I had to buy a larger pair for my father as well and a friend of mine had the same issues with these pants too. But they will keep you dry that's for sure.

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