McCarr-Master
Thermal Expansion Beanie
Thermal Expansion Beanie
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High quality Yupoong beanie (a beanie so popular and widely used by clothing brands you probably already own one!) embroidered with parody logo.
Whether field testing your latest rocket or filing the components of a fusion reactor, the Thermal Expansion Beanie has you covered. This snug, form-fitting headgear is more than just a heat-retention solution — it’s a precision-engineered staple for anyone who appreciates industrial-grade style and functionality.
While this item's gold color is bright, like the fire that burns within the hearts of all Americans who work with their hands, it’s slightly different from the color used by your favorite industrial supply company.
• 100% Turbo Acrylic
• 12″ (30 cm) unisex style -- fits everyone from machinists to mechanical engineers
• Hypoallergenic
• Hand washable
Lean manufacturing principles guide everything we make, with our “just in time” American print shop ensuring your parody apparel is made-to-order. According to our Six Sigma Blackbelt, 99.7% of orders are manufactured within 5 business days, so you’ll have the tool you need in no time.
Size guide
A (inches) | B (inches) | C (inches) | D (inches) | |
One size | 17 ¼-18 ½ | 8 ⅝ | 3 | 8 ⅛ |
A (cm) | B (cm) | C (cm) | D (cm) | |
One size | 44-47 | 22 | 7.5 | 20.5 |


