Pi Shamrock Pi Sweatshirt – Garment-Dyed Clover Math Crewneck
Quietly clever and built for everyday comfort, the Shamrock Pi Sweatshirt blends Irish-inspired symbolism with subtle math humor in a relaxed, garment-dyed crewneck. A hand-drawn clover-and-pi motif sits cleanly on the chest, with heart-shaped leaves and a hidden π detail that reads like a private wink to those who notice. The muted stone-gray tone and minimalist graphic keep the look understated — perfect for people who appreciate thoughtful design without loud branding.
Made from a medium-heavy 9.5 oz cotton-poly blend, this sweatshirt feels soft with a slightly luxe hand while holding its structure over time. The relaxed unisex fit layers easily over tees for cool mornings, late-night study sessions, casual hikes, or slow coffee walks. Finished with ribbed collar, cuffs, and hem plus a half-moon back patch and neck tape, it’s designed to stay comfortable and keep its shape wash after wash.
Ideal for math lovers, STEM students, teachers, engineers, and St. Patrick’s Day minimalists, this crewneck delivers warmth, durability, and quiet personality in one wearable staple.
Product Features-
80% ring-spun cotton / 20% polyester — soft, smooth fabric with a slightly luxurious feel
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Medium-heavy weight (9.5 oz) for warmth without bulk
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Relaxed unisex fit with 1x1 ribbed collar, cuffs, and hem for stretch and recovery
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Necktape and half-moon back patch for comfort and shape stability
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OEKO-TEX certified low-impact dyes and sewn-in twill label
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Embroidery-ready left chest and center chest areas; durable surface ideal for printing
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Adult sizing
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Machine wash cold (max 30°C / 90°F)
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Non-chlorine bleach as needed
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Tumble dry low
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Do not iron
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Do not dry clean
80% cotton, 20% polyester
The fabric is soft and pleasant to touch, has a subtle luxurious feel. Made from specially spun fibers that make very strong and smooth fabric, perfect for printing
1x1 Ribbed collar, cuffs and bottom hem
Allows the sweatshirt to stretch as it's put on, afterwards it goes back to its original size, leaving a well-fitted garment
Necktape
Twill tape covers the neck seam to stabilize the back of the garment for a more comfortable feel and prevent stretching
Back detail
The sweatshirt has a half-moon neck patch on the back
Embroidery
Embroidery decoration method available for left chest and center chest print areas
Country of origin
Blank product sourced from Honduras or El Salvador
Age restrictions
For adults
Machine wash: cold (max 30C or 90F); Tumble dry: low heat; Non-chlorine: bleach as needed; Do not dryclean; .
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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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