The NEW Kelvin Aerolite Jacket

Shave weight, not warmth. Lightweight, compressible insulation for warm-when-wet performance.

Shave weight, not warmth. Lightweight, compressible insulation for warm-when-wet performance.

Shave weight, not warmth. Lightweight, compressible insulation for warm-when-wet performance.

Shave weight, not warmth. Lightweight, compressible insulation for warm-when-wet performance.

This lightweight, compressible vest maximizes warmth while minimizing bulk.

This lightweight, compressible vest maximizes warmth while minimizing bulk.

This lightweight, compressible vest maximizes warmth while minimizing bulk.

This lightweight, compressible vest maximizes warmth while minimizing bulk.

Our 3-layer GORE-TEX Dew Point Jacket offers lightweight waterproof protection for volatile weather.

Our 3-layer GORE-TEX Dew Point Jacket offers lightweight waterproof protection for volatile weather.

Our 3-layer GORE-TEX Dew Point Jacket offers lightweight waterproof protection for volatile weather.

Our 3-layer GORE-TEX Dew Point Jacket offers lightweight waterproof protection for volatile weather.

Our 3-layer GORE-TEX Dew Point Jacket offers lightweight waterproof protection for volatile 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.

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

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.

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.

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

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

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.

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 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.

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.

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.

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

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

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

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

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.

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.