Warning: Highly Scientific & Totally Not Hazardous

Step into the lab with the official bandana of Knightmare and Yomamma's Lolcow Test—where the only thing being tested is your sense of style. (Disclaimer: We don't actually test shit. That's the point.)

This bandana is a chaotic masterpiece of biohazard chic. Featuring our cool-as-a-cucumber test cow, bubbling beakers of questionable substances, and enough radioactive symbols to make a Geiger counter sweat, it's the perfect accessory for navigating the internet's most interesting experiments.

Made from a lightweight, breathable, and moisture-wicking material, it’s multifunctional enough for any situation. Use it as a headband to contain your big brain thoughts, a necktie for your next formal scientific conference, or an armband to signal your allegiance. Why not grab a second one for your pet? Every mad scientist needs a loyal lab assistant.

Grab this limited-edition bandana and show you're part of the experiment. Handle with care.

• 65% recycled polyester, 35% polyester
• Fabric weight: 2.95 oz/yd² (100 g/m²)
• Breathable and moisture-wicking material
• Lightweight and soft to the touch
• Double-folded edges
• Single-sided print
• Multifunctional
• UPF50+ protection
• The fabric is OEKO-TEX 100 standard certified
• The recycled content of this product is certified under GRS (Global Recycled Standard)
• Blank product components sourced from China

Important sizing information: The smallest bandana size is made for small pets and won’t fit a grown-up. Please choose the medium or large size if you’re ordering for a grown-up.

Size guide