An essential accessory to have with you offering versatile & packable insulation & water repellence. The Thermolite material is ideal for cold & changeable conditions. Its hollow-core fibres create a remarkable level of insulation for its weight it transports moisture well & doesn’t even gain much weight if it gets wet. The fit is very comfortable with minimal seams & silicone grippers at the biceps. Extra define from the elements is provided with a High Performance Repel Teflon fabric protector to add an impressive level of water resistance. Construction Nylon 45% Polyester 42% Elastane 13%