Supersilver Ratio Crewneck Sweatshirt S-5XL — Mathematical Sequence Graphic Sweatshirt

Soft, substantial, and quietly nerdy — this crewneck wraps you in the familiar comfort of a classic sweatshirt while broadcasting a playful mathematical insider nod. The bold white text on black reads “Supersilver Ratio” with the beginning of the constant’s digits stacked beneath, like a pocket of private knowledge for anyone who enjoys numberplay, design theory, or geometry. Wear it to late-night study sessions, math club meetings, museum outings, or casual coffee runs when you want an intelligent, understated statement. The heavier cotton-poly blend and ribbed collar keep the shape through repeated wear; clean stitching and a tubular knit body give it a smooth silhouette that layers easily over tees or under coats. It feels like a quiet companion to curious minds — practical, durable, and a little secret shared with anyone who stops to read the print.

Product features
- Medium-heavy 50/50 cotton-poly fabric (8.0 oz/yd²) for warmth and durability
- Ribbed knit collar and double-needle stitching for shape retention and long-lasting seams
- Tubular knit (no side seams) for a clean, smooth silhouette
- OEKO-TEX® certified dyes and ethically sourced US cotton; meets safety and chemical compliance standards

Care instructions
- Machine wash: cold (max 30C or 90F)
- Non-chlorine: bleach as needed
- Tumble dry: low heat
- Do not dryclean
- Do not iron