Designed specifically for use in the coldest environments. A 5-layer system is constructed to trap multiple layers of air within the garment. The Goldfreeze flexible, waterproof and breathable polyester outer fabric keeps you warm and dry. 100% Polyester outer fabric, 240g thermally bonded insulation made with Dupont™ Sorona® fibres. Polyester lining. Polyester fleece collar facing, reflective chevron adhesive tape. Two breast pockets, two hip pockets, pen pocket on left sleeve, and inside phone/radio pocket. Drop tail for warmth on bending and inner draw cord for size adjustment. Certified to -49°C