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.

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.

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 long sleeves and a low-profile crewneck, the CORE Lightweight Crew LS wicks away moisture and keeps you concealed when you’re burning the boot leather.

With long sleeves and a low-profile crewneck, the CORE Lightweight Crew LS wicks away moisture and keeps you concealed when you’re burning the boot leather.

With long sleeves and a low-profile crewneck, the CORE Lightweight Crew LS wicks away moisture and keeps you concealed when you’re burning the boot leather.

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.

With light insulation and a high zippered neck for fine-tuning your microclimate, the CORE Midweight Zip-T turns up the heat to keep you moving in frigid temperatures.

With light insulation and a high zippered neck for fine-tuning your microclimate, the CORE Midweight Zip-T turns up the heat to keep you moving in frigid temperatures.

With light insulation and a high zippered neck for fine-tuning your microclimate, the CORE Midweight Zip-T turns up the heat to keep you moving in frigid temperatures.

The Merino Heavyweight Half-Zip’s comfort, concealment, odor control and reliable warmth are a perfect fit for a wide range of scenarios.

The Merino Heavyweight Half-Zip’s comfort, concealment, odor control and reliable warmth are a perfect fit for a wide range of scenarios.