Meet your new favorite shirt. The Men’s Hooded Campshire Shirt uses a super-soft high-pile fleece lining and Heatseeker™ Eco insulation for easy comfort and warmth when you need it most. Brand new- with tags. Ships next day. Feel free to ask any and all questions! The sizing details on their site recommend a 33.5 in. arm length and 36-38 in. chest for the small size.