Comfortable and versatile, the Peter Storm Women\'s Long Sleeve Thermal Zip Neck Baselayer is the ideal choice for colder conditions. A zipped neck design allows for increased ventilation when the going gets tough, with a thermal construction for all weather practicality. An active zipped baselayer from Peter StormZipped neck - allows for increased ventilationThermal fabric - retains heatFabric: 65% polyester 35% viscoseRecommended activity - fitness / walking / hiking