Work once. Oversized Small. I typically wear Medium and this fit with a comfortable, roomy look! 43% cotton 40% wool 13% cashmere 3% other fiber 1% elastane Collar/placket: 88% wool 9% cashmere 2% polyamide 1% elastane Cuff/pocket welts: 80% wool 11% polyamide 8% cashmere 1% elastane Button closure Slip pockets Length: 26 1/2 Dry clean Model is 5'10 (178cm) chest 31 (79cm) waist 24 (61cm) hips 35 (89cm) and wears a size S.