With an athletic cut and a raglan sleeve this has all the classic details with an updated fit that you can actually wear out of the house. 15 oz. knit with triple brushed fleece backside. Buy true to size for a tailored fit. Size up for a roomier fit. Fabric is pre-washed for minimal shrinkage. Raglan sleeve for greater mobility in forward reaching movement. Traditional flatlock seam construction throughout. Heavyweight 10 oz. rib at cuffs and waist. Wash cold/warm and tumble dry low. Sewn in San Francisco.