Octave Ladies Black Thermal Tights - Softly Brushed Inside For Extra Warmth OCTAVE Ladies Black Thermal Tights Softly Brushed Inside For Extra Warmth These premium quality 140 Denier thermal tights are your essential winter tights as they provide more heat insulation than you average cotton tights. Fibre content: 90% Polyester & 10% Elastane Their unique construction and specially developed fibres make them not only super warm but also super cozy. The soft brushing inside maximizes the amount of warm air held close to the skin. Comfort gusset provides an improved fit and adds comfort for all day wear These thermal tights have a high TOG rating of 0.5. TOG rating is a recognized measure of a textile's thermal ability The excellent thermal qualities incorporated provide a high performance insulation against the cold so you can stay warm while the temperature outside falls