The Kelvin Active Jacket is a versatile tool for backcountry pursuits.

A necessity for any big game hunt, the ultra-breathable Kelvin Active Jacket is an ideal outer layer in mild conditions and a perfect insulator for active hunts when the mercury plummets.

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

For hot days spent charging in the mountains or on the plains, the Ascent Pant was designed for exacting early-season conditions.

For hot days spent charging in the mountains or on the plains, the Ascent Pant was designed for exacting early-season conditions.

Lightweight and compressible, the Kelvin Lite Vest can be worn as an outer-layer or under a shell to provide necessary core warmth.

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.

With lofted fleece insulation and a high zippered neck for fine-tuning your microclimate, the Heavyweight Zip-T keeps you comfortable in cold conditions.

With lofted fleece insulation and a high zippered neck for fine-tuning your microclimate, the Heavyweight Zip-T keeps you comfortable in cold conditions.

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 long-sleeved Youth Heavyweight Hoody is constructed with a super heavyweight fleece for superior warmth as outerwear or a mid-layer in frigid temps.

The long-sleeved Youth Heavyweight Hoody is constructed with a super heavyweight fleece for superior warmth as outerwear or a mid-layer in frigid temps.

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.

Completing the women’s baselayer system, the Core Active Tank is a next-to-skin lightweight performance layer for active pursuits.

Completing the women’s baselayer system, the Core Active Tank is a next-to-skin lightweight performance layer for active pursuits.

Built with midweight comfort stretch fleece insulation to tune your microclimate, the CORE Midweight Crew LS turns up the heat to keep you moving in cool temperatures.

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.

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 ultralight Ascent Glove provides essential protection and ultimate precision.

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.

The newly upgraded long sleeve and low-profile crewneck CORE Lightweight Crew Long Sleeve provides exceptional moisture management.

The newly upgraded long sleeve and low-profile crewneck CORE Lightweight Crew Long Sleeve provides exceptional moisture management.

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.