KATIN The Original Surf Clothing Company Not sure what material is but it's super lightweight. May be blend of cotton, linen, or hemp. Not sure. Short sleeve striped bluish green color finely knit CONDITION: Gently used. See photos. As shown. SIZE: Medium, approx. 22" pit to pit and 29" length. Offers Accepted! | Ships in 1-2 Days | Bundle=Save $ *New? Get $10 FREE when you join with my code: EVUMIES on your first purchase.