Serotonin Synthesis Biological Rhythms T-Shirt

Sizing Guide

Find your corresponding size on the chart to guide your purchase. Measurements are in inches.

Designed for everyday rituals.

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📦 Printed & Shipped locally: Produced with care right here in the USA.

Shipping & Returns

Good things take a little time.

Each item is made to order and typically ships within 2–5 business days.
Once it’s on the way, delivery usually takes:
• United States: 2–6 days
• Canada: 7–15 days
• Mexico: 10–25 days

You’ll receive a tracking number as soon as your order ships.

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Returns & Replacements

We want you to enjoy your shirt as much as your coffee.

If something’s not right, we’ll fix it — no hassle.

• Free replacement or refund for damaged or incorrect items
• Contact us within 30 days
• Items should be unused and in original condition

Email us at support@prismandink.store — we’re here to help.

We care about getting things right.
If anything feels off, just reach out — we’ll take care of it.

Policies may evolve over time, but we’ll always keep things fair.

Material & Size

100% Ring Spun Cotton - Softer, stronger, and more durable than standard cotton. Pre-shrunk for a consistent fit wash after wash.

Natural Colorway Texture - Small cotton specks are naturally visible in the fabric of the Natural colorway, giving each piece a subtle textured character.

Breathable Fabric - Lightweight 4.5 oz fabric keeps you comfortable from morning to night.

Sizing & Fit - Relaxed unisex fit designed for everyday comfort. Most customers choose their regular size for a clean fit. Size up for a more laid-back, oversized feel.

THE CONCEPT

Sync your internal clock with a molecular masterpiece. This "Prism & Ink" original, titled "SEROTONIN SYNTHESIS.", explores the chemical foundation of our daily cycles. By merging a minimalist coffee cup with the complex molecular structure of serotonin, this design visualizes the biological rhythm of happiness and alertness. Accented with soft pink nodes at the molecular bonds, it’s a wearable tribute to the neurotransmitters that govern our mood and sleep-wake patterns. Perfect for science enthusiasts, biohackers, and anyone who views their morning brew as an essential recalibration of their biological rhythm.

Defined by Detail.

Minimal essentials designed for slower living and everyday rituals.

From soft cotton comfort to thoughtfully balanced graphics, every piece is made to feel effortless, wearable, and quietly personal.

Created for calm spaces, open roads, creative work, and life at your own pace.

FAQ's

Sizing & Fit

Our tees feature a relaxed unisex fit designed for everyday comfort. Most customers find them true to size.
Prefer an oversized, laid-back look? We recommend sizing up.