This is an AMAZING VINTAGE Carraig Aran 100% Pure New Wool. There is no size tag in it so please see pictures for reference and sizing. I out it in and I wear a medium to large (female) so my guess would be a medium in male ? Good shape, it's not stiff like some wool gets with improper care. Great find Carraig Wool Republic of Ireland Pure Vintage Old Skool Dad Core Grandpa Core Fisherman Sweater Cardigan Beige Tan Pockets I weigh all my items so that you are only being charged the exact weight of the product. Make offers , have fun, happy shopping