If you\'re stuck waiting for your Christmas bonus and you have to spend the holidays with your entire extended family in a house covered in a million lights, then you might as well be part of the Griswolds. Why not show off your love for this Christmas classic with this 100% knitted winter sweater, perfect for any upcoming Christmas gatherings you may have. Although if there\'s a rabid squirrel hiding out in your Christmas tree, we can’t guarantee this jumper will offer you the protection you need…Official National Lampoon product.Designed and engineered by Numskull Designs.100% knitted (not printed). Features hand crafted high-quality patch embroidery and enhanced detail on the front.Premium quality yarn for extra comfort.Unisex design and fit, and can be worn all year round.Features detailed front and back knitted design.Available in various sizes. UK, EU and AUS - 2XS, XS, S, M, L, XL, 2XL, 3XL, 4XL, 5XL and US - 3XS, 2XS, XS, S, M, L, XL, 2XL, 3XL, 4XL.