2 year warranty - Includes a 2-year warranty for guaranteed quality and peace of mind Thermal - Retains heat for warmth without weight. Great for cold weather, winter or outdoor Warm & Cosy - Fabric feels soft on the skin and keeps you comfortable TechTherm Max - Insulating fabric with enhanced thermal retention, regulating temperature for maximum warmth in cold conditions. Seamless - No rubbing or chafing, has no seams for comfort against the skin