This men's thermal shirt, made of stretchy, technical knit fabric with 4FSkin technology, adapts perfectly to the body, ensuring comfort and maximum freedom of movement. Featuring a crew neckline, it offers high elasticity while maintaining its shape for many seasons. Minimizing seams prevents chafing and is safe for areas most susceptible to irritation. It works best as a first layer , worn directly under a sweatshirt or fleece, especially on cool and cold days. This warm thermal underwear is made of synthetic material, ensuring durability and easy care. size range: S-3XL cut: slim , which adapts to the silhouette standard cut reaching to the hips made of synthetic material that ensures durability and is easy to care for uniform colors that match many styles seamless construction, suitable as a first layer of clothing round neckline 4FSkin technology ensures perfect fit and freedom of movement Main material: Polyamide 94%, Elastane 6%