10K ROXY DryFlight Technology [10,000mm / 5000g] Better waterproofing and good breathability for variable conditions, ROXY WarmFlight X2 Low bulk, lightweight & breathable high warmth insulation that will keep you comfortable all winter long, Regular: A classic fit which offers unrestricted movement and maximum comfort., Lightweight taffeta mapped with brushed tricot for warmth and breathability, 100% Polyester.