What Makes It KUHL? The KUHL TEAM(TM) Merino 1/4 Zip features an articulated design and flat seam construction making it the perfect layer for cold weather activities. AEROKNIT(TM) construction creates micro air pockets to keep you warmer without adding weight while superfine Merino is softer on your skin. NEVER SETTLE(TM) Aeroknit(TM) Fabric- A softer, Lighter, Warmer Merino Wool Merino wool naturally regulates body temperature Keeps you dry and comfortable all day long Ultralight and soft Naturally odor-resistant Superfine Merino wrapped around a nylon filament for strength and durability Different By Design. Different By Construction(TM) Articulated design for superior mobility and fit DYNAMIK(TM) stitching for increased stretch and strength 1/4 zip design for temperature control Ideal for layering Imported AEROKNIT(TM) Merino Wool, Nylon Care Instructions Machine wash cold, delicate cycle Do not bleach Lay flat to dry Do not dry-clean