Fit & Design: Slim fit Non-compressive Full-length Mock neck Long sleeves Opaque fabric allows you to wear it alone, or under layers Ultra-soft, thick, merino-bamboo blend provides comfort and warmth from basecamp to backcountry slopes Ergonomic design lines Technology: Moisture-wicking technology is fast-drying to keep you cool and comfortable Merino-bamboo blend is naturally insulating and thermoregulating for optimal warmth Naturally odor-resistant