The Ridgeline Base Layer Top is a Next-to-Skin Base Layer containing a super soft Merino Wool/Polyester blend that will quickly dry and wick moisture, even during high levels of exertion in the field. The premium merino is also anti-microbial and retains its insulation value, even when wet. Heavier version also available for even colder temps (see Ridgeline Heavy). Designed and field tested with outdoor expert Aron Snyder. Conditions: Cold - Frigid (Paired with Mid-layer and/or Outer Layer) Product Specifications: * 50% Merino Wool, 50% Polyester, 150GSM * Next to Skin Base Layer * Super Soft Merino * Left Front Chest Logo * Arrow Logo on the Back * Forward Shoulder Seams * Thumbholes * Anti-microbial * Thermo-Regulating * Quick Drying * Ultra Soft * Wash in cool with like colors. Hang dry.