Made from 100% cotton (sport grey includes 90% cotton, 10% polyester), this crew neck, short-sleeve t-shirt offers a comfortable and stylish fit for his special birthday celebration Celebrate his 80th birthday with the Mens Birthday T Shirt 1945, featuring a vintage, funny design ...Made from 100% cotton (sport grey includes 90% cotton, 10% polyester), this crew neck, short-sleeve t-shirt offers a comfortable and stylish fit for his special birthday celebration Celebrate his 80th birthday with the Mens Birthday T Shirt 1945, featuring a vintage, funny design printed in the UK – the perfect retro tee for his milestone 80th BDay Available in colours like Red, Black, Ash Grey, and Navy, this unisex t-shirt comes in sizes S to 3XL, making it a memorable and fun gift for men born in 1945 This mens t shirt is available in all sizes to suit all. The tee is a unisex fit. Small (34/36 Chest) Medium (38/40 Chest) Large (42/44 Chest) XL (46/48 Chest) XXL (50/52 Chest) 3XL (54/56 Chest) Check the size guide in the product images.