Thinking Cap [ᴛᴀɴ]
Galaxy Logo Dad Hat
Features the Schwarzschild Radius formula. This describes the radius of a black hole's event horizon, the boundary where the laws of the universe is swallowed up... to me, one of the most intriguing topics in astrophysics 🕳
More details
- 100% chino cotton twill
- Green Camo color is 35% chino cotton twill, 65% polyester
EU GPSR Product Information:
- Manufacturer contact information
- Name: SKY SKY
- Email: sky-sky-shop@support.fourthwall.com
- Postal address: PO Box 5696 Santa Monica, CA 90405
- Additional information: This product is made for adults. Meets the lead, bisphenols and phthalates level requirements. 2 year warranty in EEA and UK, established by Directive 1999/44/EC.
Size & Fit
Head circumfrence: 20 1/2" (52 cm) - 21 5/8" (55 cm)
Quality Guarantee & Returns
- Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it.
- Because the products are made to order, we do not accept general returns or sizing-related returns.