With light insulation for fine tuning your micro-climate, the Core Midweight Crew LS turns up the heat to keep you moving in frigid temperatures. Permanent Polygiene® Technology neutralizes smell by stopping the growth of odor-causing bacteria and fungi.
Features & Benefits

Micro Grid
Delivers a higher warmth-to-weight ratio while effectively moving moisture away from the body to wick sweat and dry quickly.
Low-Profile Flatlock Seam Construction
Glides easily under layers and minimizes bulk.
Permanent Polygiene Odor Control Technology
Naturally prevents the growth of odor-causing bacteria.
Product Care
Routine Care and maintenance ensures the optimum performance of your SITKA Gear.
Be sure to follow the manufacturer’s care instructions –typically found on the inside tag.
- Machine Wash Cold Permanent Press with Like Colors + Tumble Dry Low Heat
- Do Not Bleach + Do Not Dry Clean + Do Not use Fabric Softener












Product Technology
POLYGIENE
Layering is a science with our CORE system of next-to-skin products. Each of the fabric weights—light, mid, and heavy—wicks away moisture to keep you warm and dry, while Polygiene® technology safely and permanently neutralizes odors using naturally....