Dolly is a lightweight, breathable half zip mid layer rated with warming effect #2, which means it provides excellent thermal insulation. Made from a premium recycled polyester fabric that is bluesign approved, its quick dry qualities mean that moisture evaporates from the skin and garment. We recommend sizing up for a looser fit. Features: 90% recycled polyester/10% elastane. UNSULA Warming effect. Regular fit. Soft stretchy comfort. Extremely breathable. Quickdry. bluesign approved fabric. Machine wash warm, with similar colours.