Im blown away by the quality of this thermal layer .The merino wool material is incredibly soft and cozy against my skin, and it keeps me warm in the chilliest of temperatures. Based on my observations, this piece is versatile and can be worn as a standalone item or as a layering piece. The fit is perfect for Men's Fashion and the overall design is both practical and stylish. The only downside is THAT it can be a bit pricey compared to other options, but the quality is worth the investment..