Optifade Subalpine
Optifade Subalpine

Merino Core Lightweight Bottom

  • Big Game : Optifade Subalpine
$139.00 $69.50
(7 Reviews)
SIZE GUIDE
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The new Merino Lightweight Bottom features premium 17.5-micron merino wool spun around a nylon core, which produces a high-performance next-to-skin layer that combines the comfort, warmth, moisture management and natural odor control of merino with the durability and elasticity of nylon. With a high heat-to-weight ratio and excellent breathability, the Merino Lightweight Bottom excels as a versatile base layer across a broad range of conditions and activity levels.

Product ID: #10055

Men's
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"

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

  • 1. SLEEVE MEASURE

    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.

  • 2. CHEST SIZE

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

  • 3. WAIST SIZE

    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
  • P/F - PERFORMANCE FIT

    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.

  • S/F - STANDARD FIT

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

  • E/F - EXPEDITION FIT

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

Back to Shopping
FEATURES & SPECS

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

  • Weight: 4.5 oz.

  • Fabric: 85% 120-Gram 17.5 Micron Merino / 15% Nylon Core-Spun Blend.

  • Imported

Breathability
Odor Control
Warmth
Moisture Wicking

Complete the System

Core Lightweight Hoody

Core Lightweight Hoody

$129.00
Ascent Pant

Ascent Pant

$199.00
Ascent Shirt

Ascent Shirt

$179.00
See the System

Product Comments

7 Reviews
Write a Comment
Sarah G
Reviewed On 11/21/2022

I bought them as a gift for my man and he loves them. Warm enough but not thick and heavy.

Ubon Boutsomsi
Reviewed On 11/04/2022

Used it on my Cordova Alaska black tail deer hunt. Cold November day with the wind at 14 knots. Kept me warm and comfortable all day.

Brandon
Reviewed On 05/08/2020

This is surprisingly my favorite and most utilized piece of Sitka gear. I use these merino lightweight bottoms as an insulating layer while duck hunting, big game hunting, early season turkey hunting, and even sleeping. These provide excellent temperature control for cold and warm weather and definitely stay odor free.

Jeff D.
Reviewed On 02/25/2019

Ultra-light, amazing warming and cooling properties, unresticting and incredible odor control. These are always on the packing list for my hunts. While I tend not to wear the bottoms in higher temp early season elk hunts, they quickly replace my Sitka merino boxers as a base layer for the late season hunts in the rain and snow.

Mitchell Clifton
Reviewed On 12/10/2018

Unmatched weight to warmth ratio, wore weekend trip drizzling rain mid 30s slight wind and stayed warm and dry. My first merino product and won't be my last.

WA State Hunter
Reviewed On 10/12/2018

Great product!! I was skeptical of all the hype about merino wool... but it is all true. These were extremely lightweight, but did a great job with maintaining body temperatures. Used during September early archery elk hunt. Did 6 days strait of hunting/hiking. Temperatures ranged from 30-70 and we hiked anywhere from 10-20 miles daily with about 3k elevation changes. I was never uncomfortable, wore either the ascent pant or the apex pant with it depending on how the temperatures were looking. Even more impressive to me was that the base layers really did not smell at all. Im sold on it, will highly recommend to everyone. I hope Sitka will continue to produce more merino wool products, such as a t-shirt and more mid layers.

Ethan Hoggard
Reviewed On 07/23/2018

Can't believe how lightweight these are! I literally thought the package was empty when they arrived.

1 of 2
SITKA Gear - 07.26.2017

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