Engineered for high performance with reduced weight, the Sierra thermal jacket is the ideal layering piece for any outdoor adventure, providing lightweight thermal efficiency. It features Stormtech Thermal Shell™ insulation and a DWR (Durable Water Repellent) finish to keep you warm and dry while repelling wet weather. A full-length internal storm flap adds extra protection against the elements, while the quilted design ensures optimal heat retention without bulk. Built with feather-free insulation, this jacket provides sustainable warmth, with elasticised cuffs to help lock in heat, ensuring you’re ready for anything, whatever the weather.. . . . Machine wash cold. Gentle cycle with like colours. Do not use softeners. Do not bleach. Hang to dry. Do not iron. Do not iron decoration. Do not dry clean.. 100% Polyester pongee. Lining: 100% Polyester