JackSmith Mens Shetland Ragg Wool Half Zip Up Knit Sweater in Oat Marle COS Merino Wool Half Zip Jumper ShopStyle Turtleneck Sweaters JackSmith Mens Shetland Ragg Wool Half Zip Up Knit Sweater in Nutmeg MYER JackSmith Mens Shetland Ragg Wool Half Zip Up Knit Sweater in Charcoal. Well put it quite simply these jumpers are great. Using 100% Shetland Wool (natural sustainable fibre) assures quality. Wear over a shirt and stay warm this winter! Size Guide (Approximate Measurements of Garment in centimeters): Chest (approx): Small: 110cm Medium: 115cm Large: 120cm X Large: 125cm XX Large: 130cm 3XL: 135cm 4XL: 140cm 5XL: 145cm 6XL: 150cm Top to Bottom (approx): Small: 67cm Medium: 69cm Large: 71cm X Large: 73cm XX Large: 75cm 3XL: 77cm 4XL: 79cm 5XL: 81cm 6XL: 83cm