Chest Sizes to fit: S= 38" M= 40" L= 42" XL= 44" 2XL= 46" 3XL=48" 4XL=50". Comfortable and casual this Classic Fit Long Sleeve Polo is available in 2 versions - plain and with tipping. Ex M&S Marks Spencer Ladies Stretch Sleeveless Vest Size 6-24.