Mad Science Bamboo Two Piece Long Sleeve Pajama Set
Softest fabric ever. Pediatrician-recommended. Perfect fit cuffs.




Complete the set
- En stock




Step into a world of wild experiments and wonderfully weird discoveries with our Mad Science Collection đ§Șâïž. Inspired by eccentric scientists, mysterious laboratories, bubbling potions, strange formulas, and classic spooky science, this collection brings a playful twist to the world of science.
From creepy laboratory experiments to mad scientist-inspired artwork, each design combines quirky details with Halloween-ready vibes. Whether you're a science lover, chemistry fan, STEM enthusiast, or simply enjoy something strange and unusual, these designs are perfect for adding personality to your seasonal style.
Celebrate curiosity, creativity, and a little scientific madness with designs that are made to spark attention and imagination.
- Made from bamboo thatâs gentle on sensitive or eczema-prone skin
- Seasonless fabric keeps them cool in the summer & cozy in the winter
- No snaps, buttons or interior tagsÂ
- Long sleeve top with matching pants
- Designed with extra length to fit up-to-3x longer
Please note that all measurements are taken manually and may vary by up to ±5% in length and width due to the production process. All size measurements are listed in inches. The size chart is provided as a general guide for reference only and may not reflect exact product dimensions.
| Size | Height reference range (inches) | Weight Reference Range (pound) | Sleeve Length (inch) | Trouser length (inches) | Chest circumference (inches) | Waistline (inches) | Hip circumference (inches) | Top template length (inches) | Pants template length (inches) | Error range (inches) |
| 12-18M | 29-32 | 22-26 | 10.6 | 19.3 | 9.7 | 14.4 | 9.5 | 14.2 | 19.3 | 1 |
| 18-24M | 31-34 | 26-30 | 11.6 | 20.5 | 10 | 15.2 | 9.8 | 15 | 20.5 | 1 |
| 2T | 33-36 | 30-32 | 12.6 | 21.7 | 10.4 | 15.6 | 10.2 | 15.8 | 21.7 | 1 |
| 3T | 36-39 | 32-35 | 13.6 | 23 | 10.8 | 15.9 | 10.6 | 16.5 | 23 | 1 |
| 4T | 38-41 | 35-39 | 14.6 | 24 | 11.2 | 16.5 | 11 | 17.3 | 24 | 1 |
| 5-6 | 42-48 | 39-48 | 15.6 | 25.6 | 11.6 | 17.2 | 11.4 | 18.1 | 25.6 | 1 |
| 7-8 | 48-54 | 48-69 | 5.3 | 29.1 | 12 | 18.1 | 12 | 19.7 | 29.1 | 1 |
| 9-10 | 54-57 | 69-87 | 18.7 | 33.5 | 12.8 | 19.1 | 12.6 | 21.3 | 33.5 | 1 |
| 12-14 | 58-61 | 87-110 | 20.3 | 37.8 | 13.6 | 20.5 | 13.4 | 22.8 | 37.8 | 1 |
| 16 | 61-66 | 110-120 | 21.9 | 42.5 | 15.2 | 21.9 | 14.2 | 24.4 | 42.5 | 1 |

Snug fit in accordance with all CPSC safety regulations. Our pajamas are never treated with flame-retardants or chemicals! For child's safety, garment should fit snugly. This garment is not flame resistant
- 95% viscose from bamboo, 5% spandex
- Gentle wash cold
- Wash inside out
- Tumble dry low
