Heavy cotton 4 gauge shaker stitch. Substantial rib on collar, cuff and bottom hem. Knit in Massachusetts for the past 104 years. Tailored fit. Fits true to size. Machine washable. By purchasing this product, you're participating in our crowd funding campaign. If the product hits the goal we will produce it after the close of the funding period and immediately ship it to you. We will also overproduce in the hope that size exchanges are easy and people can also purchase them if they missed the crowd fund. Estimated shipping on these is 12/14 to 12/18. Estimated Shipping: 12/14 – 12/18 https://cdn.shopify.com/s/files/1/0070/1922/files/SIZE_GUIDE___WHALER_SWEATER.pdf?218072634048863384 Heavy cotton 4 gauge shaker stitch. Substantial rib on collar, cuff and bottom hem. Knit in Massachusetts. Tailored fit. Fits true to size. Machine washable.