【Warmth & Soft Fleece Lined】-Constructed out of soft micro-fleece, these thermal shirts for women are designed to keep you warm and comfortable in cold and extremely cold weather. They also feature body-heat regulation, ensuring that you neither feel too hot nor too cold.【Sweat-wicking & Quick Dry】 - The womens thermal tops feature an insulating fleece lining for maximum heat retention. With their super soft texture, these womens base layer also keeping you dry and comfortable during intense activities by quickly evaporating sweat.【Breathable & Odor Resistance.】 - The womens thermal shirts are made with breathable and lightweight fabric that dries quickly, helping to control odor and keep you fresh while exercising outdoors.【Reduce Chafing & Flexible】- These womens fleece tops feature smooth flatlock seaming, which is designed to reduce chafing and eliminate irritation. The blend of fabric includes Spandex, providing the fabric with 4-way stretch for a comfortable, snug fit, and ease of movement.【UPF 50+ & Designed for Cold Weather】- These fleece lined thermals for women are an excellent choice for thermal wear, especially for skiing. They also have a UPF 50+ rating, making them suitable as an outer layer during various outdoor activities such as hiking, biking, running, backpacking, yoga, equestrian activities, fishing, hunting, shoveling snow, snowboarding, and fitness,workouts.