Uniqlo HEATTECH Leggings (Size S) Stay warm and comfortable with these Uniqlo HEATTECH leggings, perfect for layering during colder months. Waist: 60–66 cm Hips: 85–91 cm Material Composition: Polyester: 38% Acrylic: 31% Rayon: 21% Polyurethane: 10% Lightweight, stretchy, and soft to the touch, these leggings are designed to retain heat and provide a cozy fit. A must-have for your winter wardrobe!