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Happy Pi Day 3.14 Mathematic Math Hawaiian Shirt Unisex T-shirt, Sweatshirt, Hoodie, Long Sleeve Tee

Happy Pi Day 3.14 Mathematic Math Hawaiian Shirt Unisex T-shirt, Sweatshirt, Hoodie, Long Sleeve Tee

Regular price $25.94 USD
Regular price $31.94 USD Sale price $25.94 USD
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🌴 Premium Hawaiian Shirt – Made for Summer

Built for warm days, designed for everyone. Premium 100% woven polyester Hawaiian shirt with Cuban collar and button closure, available in Adult and Kids/Youth fits.

📸 The image is a single fit preview – pick from Adult sizes S through 6XL or Kids/Youth Toddler 4 through Youth XL at checkout. Same design, every size.

What Makes It Hit Different

  • 🎨 Vivid & Fade-Resistant – Heat-press sublimation bonds ink directly into the polyester fibers. Colors stay sharp wash after wash, no peeling, no cracking.
  • 🧵 Lightweight & Breathable – Stays cool and comfortable all day. Ideal for tropical climates, summer trips, or warm-weather BBQs.
  • 👕 Short Sleeves & Relaxed Fit – Roomy through the body and shoulders. Built for breeze and movement, never tight.
  • 🌺 Eco-Aware Production – Made-to-order means no bulk overproduction. We only print what’s ordered – less waste, fresher product.

Fabric Breakdown

  • Adult Cut: Premium 100% woven polyester Hawaiian shirt at ≈180g. Iconic Cuban collar silhouette. 9 size options graded by bust, length, shoulder, and sleeve.
  • Kids/Youth (Boys & Girls): 100% woven polyester sublimated at ~140g. Same Cuban collar shirt as Adult, scaled for ages 4 through teen.
  • Care: Machine wash max 45°C / 113°F. Do NOT bleach, do NOT iron directly on the design, do NOT dry clean. Inside-out wash recommended.

Measurement Guide

Hawaiian shirts are cut roomy for breeze and movement. Compare your measurements to the chart below before ordering. Between sizes? Size up for the relaxed look.

Size Guide — Hawaiian Shirt. US Size standard. 100% woven polyester Hawaiian shirt – Cuban collar, short sleeve, relaxed fit. Manual measurement tolerance: 1–3 cm (0.39–1″).

Adult (Unisex · US Size · ±1–3 cm)

Size Bust (in) Bust (cm) Length (in) Length (cm) Shoulder (in) Sleeve (in)
S 40.9 103.9 29.0 73.7 17.0 10.0
M 44.9 114.0 30.0 76.2 18.0 10.0
L 48.8 124.0 30.8 78.2 19.5 10.5
XL 52.8 134.1 31.6 80.3 21.0 10.5
2XL 56.7 144.0 33.2 84.3 22.5 11.0
3XL 60.6 153.9 34.8 88.4 24.0 11.0
4XL 64.6 164.1 35.6 90.4 25.5 11.5
5XL 68.5 174.0 36.4 92.5 26.5 11.5
6XL 72.4 184 37.2 94.5 27.9 12.0

Kids & Youth (±1–3 cm)

Size Length (in) Length (cm) Chest (in) Chest (cm)
Toddler 4 16.5 42 13.5 35
Toddler 5 17.0 43 14.0 36
Youth XS 18.0 46 15.0 38
Youth S 19.0 48 15.5 39.5
Youth M 21.0 53 16.0 41
Youth L 23.0 58 18.0 46
Youth XL 25.0 63 19.0 48

How to measure: Chest — across fullest part relaxed · Waist — ~1 inch above navel · Length — shoulder seam to hem.

When Will It Arrive?

  • Total Delivery: typically 7–14 business days from order to doorstep.
  • 🏭 Production: made to order, sublimated for you.
  • 📦 Standard Shipping: included in the 7–14 business day estimate.
  • 🌍 AOPs/FPOs/island areas: 30–40 business days.
  • ⚠️ Some special states/countries: may charge extra shipping fees.

All Hawaiian Shirts are sublimated to order – yours is made the moment you check out. Total timeline: 7–14 business days for most US orders; 30–40 for AOPs/FPOs/island areas. Care: cold/warm wash inside-out (max 45°C), no bleach, no iron-on-print, no dry clean. Need a personalized version? Please contact our support team before purchase.

🌺 Visit InkThreadWorks.com for more aloha styles. Crafted with care, delivered with pride.

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