Purchased this for my husband and he never wore it! Super thick and warm, NWOT/perfect condition! Men’s Size Medium Color: Black/White (Gray) Smoke-free & pet-free home! From website: •Designed to perform outdoors. This merino wool-blend top has an engineered knit that creates a 3D texture for added warmth and four-way stretch fabric for range of motion. •Designed for On the Move Soft, Merino Wool-Blend Fabric Slim Fit •Interior face of fabric is 100% merino wool, which is naturally thermoregulating and soft against skin •A streamlined fit that skims your body Description Lululemon Engineered Warmth Long Sleeve - Designed to perform outdoors. This merino wool-blend top has an engineered knit that creates a 3D texture for added warmth and four-way stretch fabric for range of motion.