Isotherm - Densely packed fibres to retain heat & warmth without adding weight or discomfort TechTherm Max - Insulating fabric with enhanced thermal retention, regulating temperature for maximum warmth in cold conditions. Lightweight - Comfortable materials designed for all-day wear during travel, holidays, and outdoor adventures without adding bulk or weight Warm & Cosy - Fabric feels soft on the skin and keeps you comfortable Fleece Lining - Soft, insulating fleece interior provides extra warmth and a cosy feel for enhanced comfort against the skin Ultimate Opacity - A blackout stretch fabric for total confidence when bending, squatting and lunging. 2 year warranty - Includes a 2-year warranty for guaranteed quality and peace of mind