[ALL-DAY COMFORTABLE WEARING EXPERIENCE]: Size guide: Please order 1 size larger than you normally wear. Thermal underwear set made of 92% Soft Polyester / 8% Spandex fabric that feels cozily soft with fleece lined, lightweight but warm, long johns for women thermal sets give you a sense of security throughout the winter. Ladies thermal underwear set combines performance with fashion to give you a more streamlined look. [STRONG MOISTURE WICKING]: Wool thermal underwear women moisture transport system, wick away sweat fast to keep you dry and light. A perfect blend of comfort, warmth, elasticity, and moisture protection. You can relax or brave the outdoors pursuing your active lifestyle at any time. [FLEXIBILITY FOR ANY MOVEMENT]: This female thermal underwear adopts the latest Four-Way stretch, delivers full mobility and a squat proof design, gives you flexibility by hugging your body to move, youll feel a sense of freedom in all your activities, they will keep you warm without sacrificing your range of motion or comfort, whether sports, shopping, or leisure. [PERFECT DESIGN FOR WOMEN]: Thermal long underwear snug fit ensures no bunching around your waistline or sleeves and reduces heat loss, allows no skin irritation. Women long johns perfect for use underneath formal or casual attire, or they can be worn as comfy pajamas on chilly nights. When going out to jog, bike, dress up this set under your clothing to keep warm and cozy in cold climates.