Wrong size? Swap it for store credit. Made to order, ships in 2–10 business days.
Classic style meets American heavy iron. When you're off the clock but still repping the mainline, the Big Boy Classic Chalk Logo Under Armour® Dad Hat delivers unbeatable low-profile comfort and authentic trackside heritage.
This classic unstructured cap is built by Under Armour to provide a relaxed, worn-in fit right out of the box. The front left panel proudly features the iconic "Big Boy" chalk-style logo—the exact classic script recognized by railfans worldwide from the front of the legendary Union Pacific 4014 steam locomotive. With premium construction designed to keep you cool and a comfortable adjustable fit, this exclusive release from Broken Knuckle Apparel is your new everyday go-to for the shop, the weekend, or chasing steam across the country.
• 65% polyester, 35% cotton
• Embroidered Under Armour® label on the left side
• Unstructured, 6-panel, low-profile
• Curved visor
• Adjustable cloth strap closure
This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!
