Penn State Rivalry – “Can’t Duck This Ass Whoopin’ Muscle Shirt

This t-shirt is comfortable, soft, lightweight, and form-fitting. It's an ideal staple piece for any wardrobe! Step into the rivalry with bold Penn State pride in this exclusive “Can’t Duck This Ass Whoopin’” shirt. Designed in sleek black with crisp cream lettering, this shirt makes a statement that Duck fans won’t miss. Featuring the classic rivalry border design and the phrase Know the Difference underneath, it’s the perfect mix of confidence and smack talk. Whether you’re tailgating, watching from the stands, or repping your Nittany Lions every day, this shirt ensures your loyalty stands out loud and clear. Durable, comfortable, and fierce—just like Penn State football.

This soft, sleeveless tank is so comfy you're going to want to wear it everywhere, be it on your couch, out on a walk, or during a yoga class. The relaxed fit and low-cut armholes gives it a casual, urban look.

• 100% airlume combed ring-spun cotton
• Fabric weight: 4.2 oz/y² (142 g/m²)
• 32 singles
• Relaxed fit
• Side-seamed construction
• Wide, low-cut armholes
• Blank product sourced from Nicaragua, Honduras, or the US

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!

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!

Size guide