2021 Outside Winter Buyer's Guide Award Winner. The Kelvin Down Lite Jacket is the go-to mid-season piece where warmth and packability are key.

2021 Outside Winter Buyer's Guide Award Winner. The Kelvin Down Lite Jacket is the go-to mid-season piece where warmth and packability are key.

2021 Outside Winter Buyer's Guide Award Winner. The Kelvin Down Lite Jacket is the go-to mid-season piece where warmth and packability are key.

One of the original SITKA designs, the Jetstream Jacket was built for active mountain pursuits in cold weather.

One of the original SITKA designs, the Jetstream Jacket was built for active mountain pursuits in cold weather.

One of the original SITKA designs, the Jetstream Jacket was built for active mountain pursuits in cold weather.

One of the original SITKA designs, the Jetstream Jacket was built for active mountain pursuits in cold weather.

One of the original SITKA designs, the Jetstream Jacket was built for active mountain pursuits in cold weather.

One of the original SITKA designs, the Jetstream Jacket was built for active mountain pursuits in cold weather.

The windproof Jetstream Vest protects valuable core heat in cool temperatures and high winds.

The windproof Jetstream Vest protects valuable core heat in cool temperatures and high winds.

The windproof Jetstream Vest protects valuable core heat in cool temperatures and high winds.

The windproof Jetstream Vest protects valuable core heat in cool temperatures and high winds.

The windproof Jetstream Vest protects valuable core heat in cool temperatures and high winds.

The windproof Jetstream Vest protects valuable core heat in cool temperatures and high winds.

The Kelvin Lite Down 3/4 Pant is an insulating workhorse for mid-season hunts where warmth and packability are key.

Soft, silent and breathable, the Kelvin Active knows no off-season.

Low-profile and dexterous, the windproof Mountain Glove keeps your fingers warm in cool conditions.

Like the name implies, the Stormfront Jacket is ready for the most extreme and wettest climates.

Highly packable, quickly deployable and exceptionally comfortable, the Kelvin Down Windstopper Hoody is a versatile cold-weather workhorse.

The Mountain Vest features an updated two-way stretch, deadly-quiet, brushed polyester face over 3-layer GORE-TEX INFINIUM™ with WINDSTOPPER® Form Fit Technology.

The Mountain Vest features an updated two-way stretch, deadly-quiet, brushed polyester face over 3-layer GORE-TEX INFINIUM™ with WINDSTOPPER® Form Fit Technology.

Designed to be more than just another base layer, the Core Lightweight Hoody is the foundation that all our SITKA systems are built from.

Designed to be more than just another base layer, the Core Lightweight Hoody is the foundation that all our SITKA systems are built from.

Designed to be more than just another base layer, the Core Lightweight Hoody is the foundation that all our SITKA systems are built from.

Designed to be more than just another base layer, the Core Lightweight Hoody is the foundation that all our SITKA systems are built from.

Designed to be more than just another base layer, the Core Lightweight Hoody is the foundation that all our SITKA systems are built from.

The Heavyweight Bottom is perfect for cold weather days spent in a layout blind, stand or glassing in the backcountry.

The Heavyweight Bottom is perfect for cold weather days spent in a layout blind, stand or glassing in the backcountry.

The Heavyweight Bottom is perfect for cold weather days spent in a layout blind, stand or glassing in the backcountry.

The Heavyweight Bottom is perfect for cold weather days spent in a layout blind, stand or glassing in the backcountry.

This hoody works as an extension of your base layer for hunts in cold weather or worn as outerwear for active mid-season days.

This hoody works as an extension of your base layer for hunts in cold weather or worn as outerwear for active mid-season days.

The Kelvin Active Hoody is a year-round standout and will perform under intense dynamic conditions all season long.

The Kelvin Lite Hoody is our most versatile lofted jacket and takes the chill out of mid-season hunts.

The Kelvin Lite Hoody is our most versatile lofted jacket and takes the chill out of mid-season hunts.

The Traverse Cold Weather Hoody is a technical insulator for the mid-to-late season.

The Mountain Jacket is deadly quiet, fully windproof and weather-ready to stand up to mountain winds, light rain or snow.

The Stormfront Pant is the perfect companion to the Stormfront Jacket, utilizing our most durable and abrasion-resistant GORE-TEX 3-layer Pro Shell laminate.

With a gusseted no-bunch crotch and low-profile elastic waistband, the CORE Lightweight Bottom provides just enough warmth for when temps dip and dial up animal activity.

With a gusseted no-bunch crotch and low-profile elastic waistband, the CORE Lightweight Bottom provides just enough warmth for when temps dip and dial up animal activity.

With a gusseted no-bunch crotch and low-profile elastic waistband, the CORE Lightweight Bottom provides just enough warmth for when temps dip and dial up animal activity.

Built from the same moisture-wicking fabric as the Core Lightweight Hoody, our Core Lightweight Crew LS makes for a solid base layer.

Built from the same moisture-wicking fabric as the Core Lightweight Hoody, our Core Lightweight Crew LS makes for a solid base layer.

Built from the same moisture-wicking fabric as the Core Lightweight Hoody, our Core Lightweight Crew LS makes for a solid base layer.

Built from the same moisture-wicking fabric as the Core Lightweight Hoody, our Core Lightweight Crew LS makes for a solid base layer.

With short sleeves and a low-profile crewneck, the CORE Lightweight Crew SS is the next-to-skin layering foundation for all seasons.

With short sleeves and a low-profile crewneck, the CORE Lightweight Crew SS is the next-to-skin layering foundation for all seasons.

The CORE Midweight Zip-T features quick-drying comfort stretch mid-weight fleece and a high-zippered neck to keep your active body temperature regulated as the thermometer rises or plummets.

The CORE Midweight Zip-T features quick-drying comfort stretch mid-weight fleece and a high-zippered neck to keep your active body temperature regulated as the thermometer rises or plummets.

The CORE Midweight Zip-T features quick-drying comfort stretch mid-weight fleece and a high-zippered neck to keep your active body temperature regulated as the thermometer rises or plummets.

The CORE Midweight Zip-T features quick-drying comfort stretch mid-weight fleece and a high-zippered neck to keep your active body temperature regulated as the thermometer rises or plummets.

The CORE Midweight Zip-T features quick-drying comfort stretch mid-weight fleece and a high-zippered neck to keep your active body temperature regulated as the thermometer rises or plummets.

With a high warmth-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.

With a high warmth-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.