Perfect for use as either as an outer layer in warmer weather, or as part of your winter layering system, the Protium Hoodie from Montane is well-suited to all kinds of outdoor activities from hiking to climbing. This versatile jacket utilises Montane's Thermo Grid (a brushed grid back construction that manages moisture and regulates heat effectively) to keep you comfortable when out in the mountains. What's more it has been specially designed with a helmet compatible hood as well as low profile flatlocked seams to minimise chaffing. Men's Montane Protium Lite Hoodie - Grey | George Fisher UK