Our Best Selling Baselayer

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.

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.

With a high warmth-to-weight ratio and excellent breathability, the Merino Lightweight Half-Zip 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 Half-Zip excels as a versatile base layer across a broad range of conditions and activity levels.

The Merino Heavyweight Half-Zip is a great solution for a foundational baselayer when the mercury drops.

The Merino Heavyweight Half-Zip is a great solution for a foundational baselayer when the mercury drops.

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.

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.

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.

A premium 17.5-micron merino wool face backed by a soft polyester interior provides a highly insulating, breathable, stretchy and naturally odor-resistant bottom for adaptable layering.

2021 Outside Winter Buyer's Guide Award Winner. The Mountain Optics Harness takes a systems-based approach to the issue of carrying accessories into the field.

2021 Outside Winter Buyer's Guide Award Winner. The Mountain Optics Harness takes a systems-based approach to the issue of carrying accessories into the field.

The 110 Liter Drifter duffle is the King of the Drifter fleet and is large enough to carry your gear on extended adventures.

The 50 Liter Drifter duffle is the perfect size to accompany you on the plane with your optics, electronics and a change of clothes.

The Drifter 75 Liter duffle has enough room for your SITKA system and then some.

A unique solution to transporting our Delta waders, keeping the wet and muddy waders contained in the bag while providing a stable place to put waders on while in the field.

A unique solution to transporting our Delta waders, keeping the wet and muddy waders contained in the bag while providing a stable place to put waders on while in the field.

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