●Thermal Fleece Lined: Moisture wicking running shirts adopt fleece-lined thermal fabric which can be quick dried and helps you stay warm on the workout ●Removeable Balaclava Mask: breathable face cover design for your outdoor activities which keep your face, neck and head warm. The warm tshirt can be worn as underwear or outwear ●High Elasticity: 4-way stretch construction improves mobility for full range of motion ●Thumb Holes: Workout Tops with thumb holes can fix the sleeves to keep your wrist warm outdoors ●The womens versatile base layer is tailored for skiing, running, hiking, cycling, golf, jogging, fishing, camping, workout, yoga, gym fitness, and daily wear