# 20 Squared | No. 400, Youth T-Shirt

Introducing the younger generation to the elegance of mathematics and art combined. This youth t-shirt features the "20 squared" equation rendered in flowing clean paint brush lines. The black and red palette makes for a bold, educational, and artistic statement that stands out in its simplicity. It’s a wearable reminder that big numbers are built from small, intentional steps.  
  
Future logic in a single frame. The geometry of a new perspective.  
  
Inside Collar Quote:  
Power In Logic  
論理の力

## Details

- **Price:** 30.0 USD
- **Vendor:** ichinichi studio
- **Type:** Youth T-Shirt

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| S | 30.00 USD | In stock |
| M | 30.00 USD | In stock |
| L | 30.00 USD | In stock |
| XL | 30.00 USD | In stock |

## Images

- Simple red and black 20 squared math graphic on a Youth Short Sleeve T-Shirt.
- Person holding a skateboard in front of a graffiti-covered wall

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> Source: [ichinichi studio](https://ichinichi.studio/products/20-squared-no-400-youth-t-shirt)
> Updated: 2026-05-08