Skip to product information
Uncertainty Is My Principle – Funny Physics STEM Design by Capy-memes Unisex T-shirt, Sweatshirt, Hoodie, Long Sleeve Tee
$18.94
Sale price
$18.94
Regular price
$26.94
Custom Printed Gildan® Apparel — Designed for You
Soft enough to sleep in. Cool enough to post about. Every piece is DTG-printed on premium Gildan® fabric for colors that pop and comfort that lasts.
📸 The mockup shows a T-Shirt, but this design is available on 4 styles: T-Shirt, Long Sleeve, Sweatshirt & Hoodie. Just pick your style, color, and size — we’ll produce it exactly the way you want.
Here’s Why It’s Worth It
- 🎨 Fade-Proof Color — Direct-to-garment printing means your design stays as bold as the day it arrived.
- 🧵 Feels Like a Hug — Gildan® fabric with OEKO-TEX certified dyes. Premium comfort from the inside out.
- 👕 All-Day Comfort — Classic fit with taped seams and a tear-away label. Zero itch, zero irritation.
- 🇺🇸 Trust the Source — Made with US Cotton Trust Protocol cotton. Premium from seed to stitch.
Materials & Specs
- T-Shirt & Long Sleeve: Pure cotton (5.3–6 oz) — breathable comfort, durable construction.
- Sweatshirt & Hoodie: 8 oz, 50/50 cotton/poly blend — cozy, durable, resists pilling.
- Sport Grey is 90/10 cotton/poly for a heathered look.
Your Perfect Match
Use the charts below to pick your ideal color and size:
Available Colors
White
Black
Sand
Sport Grey
Navy
Light Pink
Royal
Pepper
Dark Heather
Forest Green
Light Blue
Gildan 5000 — Unisex T-Shirt
| Size | Length | Bust |
|---|---|---|
| S | 28 in (71.1 cm) | 36 in (91.4 cm) |
| M | 29 in (73.7 cm) | 40 in (101.6 cm) |
| L | 30 in (76.2 cm) | 44 in (111.8 cm) |
| XL | 31 in (78.7 cm) | 48 in (121.9 cm) |
| 2XL | 32 in (81.3 cm) | 52 in (132.1 cm) |
| 3XL | 33 in (83.8 cm) | 56 in (142.2 cm) |
| 4XL | 34 in (86.4 cm) | 60 in (152.4 cm) |
Gildan 18000 — Unisex Sweatshirt
| Size | Length | Bust | Sleeve |
|---|---|---|---|
| S | 27 in (68.6 cm) | 40 in (101.6 cm) | 33.5 in (85.09 cm) |
| M | 28 in (71.1 cm) | 44 in (111.8 cm) | 34.5 in (87.63 cm) |
| L | 29 in (73.7 cm) | 48 in (121.9 cm) | 35.5 in (90.17 cm) |
| XL | 30 in (76.2 cm) | 52 in (132.1 cm) | 36.5 in (92.71 cm) |
| 2XL | 31 in (78.7 cm) | 56 in (142.2 cm) | 37.5 in (95.25 cm) |
| 3XL | 32 in (81.3 cm) | 60 in (152.4 cm) | 38.5 in (97.79 cm) |
| 4XL | 33 in (83.8 cm) | 64 in (162.6 cm) | 39.5 in (100.33 cm) |
Gildan 18500 — Unisex Hoodie
| Size | Length | Bust |
|---|---|---|
| S | 27 in (68.6 cm) | 40 in (101.6 cm) |
| M | 28 in (71.1 cm) | 44 in (111.8 cm) |
| L | 29 in (73.7 cm) | 48 in (121.9 cm) |
| XL | 30 in (76.2 cm) | 52 in (132.1 cm) |
| 2XL | 31 in (78.7 cm) | 56 in (142.2 cm) |
| 3XL | 32 in (81.3 cm) | 60 in (152.4 cm) |
| 4XL | 33 in (83.8 cm) | 64 in (162.6 cm) |
Gildan 2400 — Unisex Long Sleeve Tee
| Size | Length | Bust | Sleeve |
|---|---|---|---|
| S | 27.95 in (71 cm) | 36.22 in (92 cm) | 33.46 in (85 cm) |
| M | 29.13 in (74 cm) | 40.16 in (102 cm) | 35.04 in (89 cm) |
| L | 29.92 in (76 cm) | 44.09 in (112 cm) | 36.61 in (93 cm) |
| XL | 31.1 in (79 cm) | 48.03 in (122 cm) | 38.19 in (97 cm) |
| 2XL | 31.89 in (81 cm) | 51.97 in (132 cm) | 39.37 in (100 cm) |
| 3XL | 33.07 in (84 cm) | 55.91 in (142 cm) | 39.37 in (100 cm) |
| 4XL | 33.86 in (86 cm) | 59.84 in (152 cm) | 38.98 in (99 cm) |
Tap a style above to view its chart. Measured laid flat.
- Find your color in the chart above.
- Match your measurements to the size guide.
- Add to cart and check out securely.
Shipping & Delivery
- ✅ Production: 1–3 business days.
- 📦 USA Standard: 3–7 business days.
- ⚡ USA Rush: 3–5 business days.
- 🌍 International: 1–2 weeks.
Every item is made to order just for you. Please verify your size using the chart above. We can’t accept returns for sizing errors, but we’re always here to help if something isn’t right.
🛒 Browse the collection at vintageinklab.com. Every piece, premium quality.