Math Nerd Sweatshirt S-5XL — "Euler's Number (e)" Crewneck with e Decimal Design
This cozy crewneck sweatshirt quietly celebrates curiosity and the beauty of numbers. Soft, medium-heavy knit and a clean classic fit make it comfortable for study sessions, late-night problem solving, or relaxed weekends. The front features a tasteful typographic design naming “Euler’s Number / Napier’s Constant” with a prominent italic e and the decimal expansion beneath — a subtle, clever nod that will resonate with math lovers, engineers, and students. Finished with ribbed collar and cuffs, double-needle stitching, and options for embroidered accents, it’s built to feel lived-in without losing shape. Wear it to lectures, math club meetups, study marathons, or simply to show quiet pride in the elegance of e.
Product features
- Medium-heavy 50/50 cotton–poly blend (8.0 oz/yd²) for warmth and durability
- Tubular knit construction (no side seams) for a smooth, waste-reducing finish
- OEKO-TEX® certified dyes and ethically grown US cotton; tear-away label for comfort
Care instructions
- Machine wash: cold (max 30C or 90F)
- Non-chlorine: bleach as needed
- Tumble dry: low heat
- Do not dryclean
- Do not iron
Without side seams
Knit in one piece using tubular knit, it reduces fabric waste and makes the garment more attractive
Ribbed knit collar with seam
Ribbed knit makes the collar highly elastic and helps retain its shape
Embroidery
Embroidery decoration method available on either left chest, center chest, or large center chest, as well as right + left wrists
Age restrictions
For adults
Other compliance information
Meets the flammability, lead, cadmium, bisphenols and phthalates level requirements.
Country of origin
Made in Nicaragua
DTF inner neck labels
The inner neck labels and wrist prints are printed using the Direct-to-Film (DTF) print method, while the rest of the prints are done with the Direct-to-Garment (DTG) method.
Do not dryclean; Do not iron; Machine wash: cold (max 30C or 90F); Non-chlorine: bleach as needed; Tumble dry: low heat.
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We want to make sure that you are satisfied with your order and we are committed to making things right in case of any issues. We will provide a solution in cases of any defects if you contact us within 30 days of receiving your order.
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Designs © 2026 Charlotte Place Design
and Christopher Fayers