Mitochondria Shirt, Biology Teacher Gift, Vintage Science Tee, Retro Cell Diagram Graphic, STEM Gift For Science Lovers

This Mitochondria Shirt is a love letter to the powerhouse of the cell. Featuring a vintage-style biology diagram on soft Comfort Colors fabric, it's the perfect funny science teacher gift for anyone who still remembers 9th grade bio class and never got over it.

🎁 Perfect Gift For:

- Biology Teacher - Who's tired of explaining mitochondria to everyone but finally gets a shirt about it.
- Science Nerd - Who still thinks the periodic table is a personality trait.
- Bio Student - Who needs a shirt to survive finals week.
- Lab Partner - Who did all the pipetting while you watched.
- Science Dad - Who explains photosynthesis at every family dinner.

Wear your cell biology pride — because without mitochondria, none of us would be here to make this joke. ⚡

🦝 ABOUT THIS PRODUCT

- Original design by SillyRaccoonCo 🦝
- Unisex relaxed fit — runs true to size
- For an oversized, laid-back look: size up 1–2
- Made with 100% ring-spun cotton that feels soft from day one (Comfort Colors 6.1 oz / Gildan 5.3 oz)
- Pre-shrunk so it fits perfectly wash after wash, with durable double-needle stitching built to last
- Printing technique: DTG (Direct to Garment) — vibrant, long-lasting print that won't crack or fade

🎨 STYLES & COLORS

- Comfort Colors (vintage washed vibe) or Gildan (classic look)
- See photos for sizing and the listing video for all available colors
- Gildan Youth sizes available
- Gildan Crewneck Sweatshirt

📏 SIZE GUIDE

👕 Comfort Colors Unisex Tee:

- S: Width 18" / Length 27" (46 cm / 68 cm)
- M: Width 20" / Length 28" (51 cm / 71 cm)
- L: Width 22" / Length 29" (56 cm / 75 cm)
- XL: Width 24" / Length 31" (61 cm / 78 cm)
- 2XL: Width 26" / Length 32" (66 cm / 80 cm)
- 3XL: Width 28" / Length 33" (70 cm / 83 cm)
- 4XL: Width 30" / Length 34" (76 cm / 85 cm)

👕 Gildan Unisex Tee:

- S: Width 18" / Length 28" (46 cm / 71 cm)
- M: Width 20" / Length 29" (51 cm / 74 cm)
- L: Width 22" / Length 30" (56 cm / 76 cm)
- XL: Width 24" / Length 31" (61 cm / 79 cm)
- 2XL: Width 26" / Length 32" (66 cm / 81 cm)
- 3XL: Width 28" / Length 33" (71 cm / 84 cm)
- 4XL: Width 30" / Length 34" (76 cm / 86 cm)

👕 Gildan Youth Tee:

- XS: Width 16.14" / Length 20.47" (41.00 cm / 52 cm)
- S: Width 16.93" / Length 22.05" (43.00 cm / 56 cm)
- M: Width 18.11" / Length 23.62" (46.00 cm / 60 cm)
- L: Width 18.90" / Length 25.20" (48.00 cm / 64 cm)
- XL: Width 20.08" / Length 26.38" (51.00 cm / 67 cm)

🧥 Gildan Unisex Crewneck Sweatshirt

- S: Width 20" / Length 27" / Sleeve 33.5" (51 cm / 69 cm)
- M: Width 22" / Length 28" / Sleeve 34.5" (56 cm / 71 cm)
- L: Width 24" / Length 29" / Sleeve 35.5" (61 cm / 74 cm)
- XL: Width 26" / Length 30" / Sleeve 36.5" (66 cm / 76 cm)
- 2XL: Width 28" / Length 31" / Sleeve 37.5" (71 cm / 79 cm)
- 3XL: Width 30" / Length 32" / Sleeve 38.5" (76 cm / 81 cm)

📦 ORDER & SHIPPING

👕 Production Time & Shipping Information 🚚

Processing Time: 2-5 business days ⏱️

Comfort Colors Shirts: 📦

✈️ United States: 2-5 business days
🌍 Australia, Canada, UK & Europe: 7-15 business days (shipped from USA)
🌎 Rest of World: 15-25 business days (shipped from USA)

Gildan Shirts: 📦

✈️ United States: 2-5 business days
🍁 Canada: 7-15 business days (shipped from USA)
🇬🇧 UK & Germany: 3-5 business days
🇪🇺 Europe: 5-10 business days
🦘 Australia: 2-5 business days
🌎 Rest of World: 15-25 business days (shipped from USA)

🧼 AFTERCARE

- Turn inside out before washing to protect the print
- Machine wash cold (max 30°C / 90°F) with similar colors
- Do not bleach
- Tumble dry low or hang dry for best results
- Do not iron directly on the design
- Avoid fabric softeners to keep the print looking sharp

↩️ RETURNS

- Made to order: no returns/exchanges for sizing
- If damaged or lost, we’ll replace or refund ASAP — just message us

💬 GOOD TO KNOW

- Gift message available at no extra cost
- Colors may vary by screen
- international orders may incur customs fees
- Questions? Send us a message — we’re here to help 💌

EU representative: HONSON VENTURES LIMITED, gpsr [!at] honsonventures.com, 3, Gnaftis House flat 102, Limassol, Mesa Geitonia, 4003, CY
Product information: Comfort Colors® 1717, 2 year warranty in EU and Northern Ireland as per Directive 1999/44/EC
Care instructions: Machine wash: cold (max 30C or 90F), Do not bleach, Tumble dry: low heat, Iron, steam or dry: low heat, Do not dryclean

*Some graphic elements in this design were created or enhanced with the assistance of AI tools.