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Because even trees deserve a doctor’s visit. The Tree ICU Long Sleeve Tee brings arborist humor to life with a neon CL squirrel administering root-level care, syringe and all. Bold, playful, and rooted in science, this design is for anyone who digs deep for their trees—or just likes their fashion with a dose of wit.
🐿️ Features the CL squirrel delivering “Intensive Care Underfoot”
💉 Perfect for arborists, plant lovers, and anyone with a twisted sense of humor
🌈 Neon print pops against the black cotton backdrop
✨ Soft, durable long sleeve tee built for workdays, chill days, or ICU-level style
This isn’t just a shirt—it’s a reminder that roots matter, laughter and love heals, and squirrels really do run the forest.
Age restrictions: For adults
EU Warranty: 2 years
Other compliance information: Meets the flammability level requirements.
In compliance with the General Product Safety Regulation (GPSR), Knotty Intentions and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at PO Box 371
Dennis, MA 02638 or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.

Tree ICU Long Sleeve Tee – Intensive Care Underfoot
$21.25
Reliable shipping
Flexible returns
🐿️ Features the CL squirrel delivering “Intensive Care Underfoot”
💉 Perfect for arborists, plant lovers, and anyone with a twisted sense of humor
🌈 Neon print pops against the black cotton backdrop
✨ Soft, durable long sleeve tee built for workdays, chill days, or ICU-level style
This isn’t just a shirt—it’s a reminder that roots matter, laughter and love heals, and squirrels really do run the forest.
Age restrictions: For adults
EU Warranty: 2 years
Other compliance information: Meets the flammability level requirements.
In compliance with the General Product Safety Regulation (GPSR), Knotty Intentions and SINDEN VENTURES LIMITED ensure that all consumer products offered are safe and meet EU standards. For any product safety related inquiries or concerns, please contact our EU representative at gpsr@sindenventures.com. You can also write to us at PO Box 371
Dennis, MA 02638 or Markou Evgenikou 11, Mesa Geitonia, 4002, Limassol, Cyprus.
Size guide
SHIRT LENGTH (inches) | CHEST WIDTH (inches) | CHEST TO FIT (inches) | SLEEVE LENGTH (inches) | |
XS | 27 | 16 ½ | 31-34 | 25 |
S | 28 | 18 | 34-37 | 25 ⅝ |
M | 29 | 20 | 38-41 | 26 ¼ |
L | 30 | 22 | 42-45 | 26 ⅞ |
XL | 31 | 24 | 46-49 | 27 ½ |
2XL | 32 | 26 | 50-53 | 28 ⅛ |
SHIRT LENGTH (cm) | CHEST WIDTH (cm) | CHEST TO FIT (cm) | SLEEVE LENGTH (cm) | |
XS | 68.6 | 42 | 78.7-86.4 | 63.5 |
S | 71.1 | 45.7 | 86.4-94 | 65 |
M | 73.7 | 50.8 | 96.5-104.1 | 66.6 |
L | 76.2 | 55.9 | 106.7-114.3 | 68.3 |
XL | 78.7 | 61 | 116.8-124.5 | 69.9 |
2XL | 81.3 | 66 | 127-134.6 | 71.4 |