Isotherm - Densely packed fibres to retain heat & warmth without adding weight or discomfort TechTherm - Quick-dry fabric that wicks moisture and regulates temperature for reliable everyday comfort. 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 2 year warranty - Includes a 2-year warranty for guaranteed quality and peace of mind