UNIQLO 100% Wool Based on the product number search, it's likely lamb's wool. It feels good against the skin. Color: Yellow, Mustard Size: M Width: 47 cm Shoulder width: 43 cm Sleeve length: 53 cm Length: 50 cm Only tried on, no signs of wear. Selling because the size doesn't fit. Thank you. I'm also selling several other knitwear items, so please take a look if you'd like ( ⁎ᵕᴗᵕ⁎ ) ↓↓↓ #konbu_knit_listings Color: Yellow UNIQLO/Design: Crew Neck Stains/Tears/Smells: None UNIQLO/Material: Lamb's wool