Personalized Wolf No Cap Sigma Dad Funny Father's Day T-Shirt. This unique item is a must-have for every dad who appreciates a good meme and some modern slang. The clever phrase is a great conversation starter and is sure to get a laugh from family and friends. It's an ideal piece for wearing to a barbecue, a family outing, or just relaxing at home. Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.