These Sweaty Betty Thermodynamic 7/8 Running Leggings are built for outdoor winter training and cold-weather workouts. Made from a thermal, temperature-regulating fabric with a soft brushed fleece backing, they provide warmth without sacrificing performance. The stretchy fit offers sculpting support and comfort, while the sleek black color makes them versatile for running, gym sessions, or casual athleisure wear. Reflective details keep you visible in low light, and both a side pocket and secure back zip pocket give you space for small essentials. Designed to blend style with technical performance, these leggings are perfect for women who want to stay active in colder months while looking chic. Size: Women’s Small (fits full length) Measurements: Waist laid flat: 13" Rise: 9.5" Length: 27" Material: 85% Polyamide 15% Elastane Features/Details: Thermal fabric designed for winter training Soft brushed fleece lining Stretchy and supportive fit Side pocket + secure back zip pocket Reflective details for visibility 7/8 length (fits full length on petites) Condition: Excellent pre-owned. No flaws. Let me know if you have any questions. Ships in 1–2 business days, Monday through Saturday. Bundle with other pieces to save on shipping and feel free to ask for a custom offer!