Size Chart - just keep moving sweater Size Length Bust Sleeve Bicep Waist XS 23" 37" 23" 12.5" 36" S 24" 38.5" 23.25" 13" 37" M 25" 40" 23.5" 13.5" 39" L 26" 42" 24" 14" 41" XL 27" 45.5" 24.5" 15" 44"