This item has only been opened after purchase. ■ Size Free size (approx. 60cm when laid flat) ■ Material Cotton, acrylic, and others From the product introduction page: ・Trench coat type warm cotton leg warmers ・Covers the calves and knees, which are prone to coldness ・Useful in various situations such as yoga, ballet, Pilates, home, and office ・An essential item for warming up in ballet and dance lessons ・Moderate elasticity, not too loose or too tight. Comfortable for sleeping and long hours of wear ・Can also be worn as arm warmers ・Recommended for air conditioning in summer and cold protection in winter Leg warmers long trench coat over the knee long cotton blend arm warmers warm ballet yoga dance lesson air conditioning cold protection with instep sleeping not stuffy