The Amazon/Qualidyne Men’s Grey Thermal Underwear Long Johns Base Layer in size XL is a high-quality base layer set designed for winter sports activities like skiing. Made from a blend of 90% polyester and 10% elastane, this long john set features a solid gray color and long sleeves for added warmth and comfort. With its machine washable garment care, this thermal underwear is durable and easy to maintain. Perfect for outdoor adventures in cold weather, this base layer set from Amazon is a reliable choice for staying cozy and comfortable during winter activities.