This is the first and so far only heavier knit cotton Watchcap we've made. What is upcycled cotton yarn? This yarn is a blend of reclaimed cotton fibers from discarded garment scraps combined with a small amount of nylon made from the incredible RPET process of recycling plastic (PET) bottles into fiber. Content: 85% upcycled cotton 15% RPET Production: Knit in Waterloo, NY by our friends and knitting partners at Mozaic Organization; a not-for-profit employing, assisting, and providing services to thousands of disabled person in the Fingerlakes, NY area. Length: 11.5-12 Inches (without fold) The watchcap is a style that's existed for well over 100 years, though it's most commonly associated with WWII US Navy personnel. A watchcap is a shorter hat, traditionally meant to be worn folded above the ears. However, you can also wear it unfolded, rolled, double-folded, etc.