Vintage - NWOT - Cashmere by Pringle - Lime Green Mock Turtleneck Sweater Size 102/40 100% Cashmere Made in Scotland Pit to pit - 16" Length - 23" Sat in my wife's steamer trunk. Never Worn. Perfect Condition. Quality cashmere is not only the finest, softest and warmest yarn, but it is also a very durable product, which can easily last 10 years and over 200 wears when taken care of properly. Warmness. Cashmere is the warmest wool out of the two. It can be seven to eight times warmer than merino wool.