Seawool Half Zip OliveA knit with all the qualities of a classic 100% wool sweater: warmth, structure, and comfort without the downsides of itching, shrinking, or complicated care. Made with the revolutionary Seawool yarn treatment, where 32 grams of post consumer oyster shells are ground together with 3 4 discarded and post consumer PET plastic bottles, creating a polymer which is spun into the yarn. This treatment increases the durability, temperature regulation and body