Arcteryx Mens Cerium SL Jacket Features: Moisture-resistant outer face fabric Breathable and Insulated Great warmth-to-weight ratio Lightweight, Compressible and packable Wind resistant DWR finish (Durable Water Repellent) helps repel water from fabric surface Down Composite Mapping strategically places Coreloft™ synthetic insulation in areas where moisture may buildup and down in areas for maximum warmth Insulated, Low profile collar Chin guard Full front zip with chin guard Corded zipper-pulls reduce noise and are easy to grab Elastic cuffs Elasticized rear hem seals out draft Two hand pockets with zippers Integrated Includes stuff sack Materials Coreloft™ 100 (100 g/m² ) insulation. Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fiber it is very compressible and has excellent loft retention. 850 fill European grey goose down Thisela 100% nylon / 1.9 oz/yd², 20g/m². A very stable incredibly lightweight 7D ripstop taffeta that offers and excellent strength-to-weight ratio. Coreloft™ 40 (40 g/m²) insulation. Made with highly crimped multi-denier siliconized polyester yarn, this lightweight, breathable, and thermally efficient, 100% polyester staple fibre it is very compressible and has excellent loft retention.