Started back around late 80's..I bought a summer weight pair of bags (sorry I can't remember the name of them...I think that is the only Rohan garment I do not have. ALL the product's I have are still going strong. My 5 bags, 4 shirts, T shirt, top and bottom base layers and 6 microfleeces and Waymark jacket are all used when the conditions dictate or the relaxing period comes over me! Tried one of your competitors outside gear for 2 years.....half the price of Rohans but quarter of the quality.....Very pleased with Rohan embracing new technology....long may it reign. PTEROSTIGMA