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Octopus Crunch Button Up Shirt

Regular price $42.00

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Size Chart

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Octopus Crunch Button Up Shirt Geek Nerd adult sizing Design by Vlad Mel Marine biology
Octopus Crunch Button Up Shirt

Size Guide | Button Up and Hawaiian Shirts

Hawaiian & Button Up – Size & Fit

In our experience, the best outcomes come from measuring your favorite shirt in your closet and comparing the results against our size chart.

Size Chart (Garment Measurements)

Size Chest Length Shoulder Sleeve
in cm in cm in cm in cm
XS 19 48.26 27 68.58 17.5 44.45 7.5 19.05
S 20 50.80 27.5 69.85 18 45.72 8.5 21.59
M 21.25 53.98 28.5 72.39 19 48.26 8.75 22.22
L 23 58.42 30 76.20 20 50.80 9 22.86
XL 24.75 62.86 31 78.74 21 53.34 9.5 24.13
2XL 27 68.58 32 81.28 22 55.88 9.75 24.76
3XL 29.5 74.93 33 83.82 23.5 59.69 10.5 26.67
4XL 32.5 82.55 34 86.36 25.5 64.77 11.5 29.21
5XL 36 91.44 35.75 90.80 27.5 69.85 13 33.02

Disclaimer: Due to the handmade and hand-measured nature of our products, measurements may vary by 1–3 cm.

Tip Compare these to a shirt you own. If you’re between sizes, choose based on your preferred fit (roomy vs. tailored). Please see instructions below. 

Fit & Tips

  • Runs slightly big: The chest and length has extra room for flexibility and comfort. In most cases, order your normal unisex size.
  • Fabric note: Our material is a four-way stretch, but we don't recommend you to take that into account. Additionally, the material does not shrink after washing and drying. 
  • For simplicity, our button ups and Hawaiian shirts have the same sizing, but please note that curvy shirts are completely different.

How to Measure Yourself

  • Chest: Wrap measuring tape under your arms at fullest part. Divide the chest measurement by two to get the side-to-side width.
  • Shoulder: Measure the width of your shoulders from one shoulder blade to the tip of the other while keeping the tape taut.
  • Length: Starting from the base of the back of your neck, measure down your back to the point where you want the shirt to end.
  • Sleeve: Starting from the tip of your shoulder, measure straight down your arm.

How to Measure a Flat Shirt

A flattened Geek Tropical shirt with measuring tape showing how to measure a flat shirt.
  • Chest (Width): Lay the shirt flat and smooth out wrinkles. Measure straight across from one armpit seam to the other. (This number is already the half-chest width; double it if you want the full chest circumference.)
  • Shoulder: With the shirt flat, measure from the tip of one shoulder seam straight across to the tip of the other shoulder seam.
  • Length: Place the measuring tape at the highest point on the shoulder (where the shoulder seam meets the collar) and measure straight down to the bottom hem of the shirt.
  • Sleeve: Start at the top of the shoulder seam (where it meets the sleeve) and measure along the outside edge to the end of the cuff.

Design by Vlad Mel

I am originally from Moldova, but have spent most of my life in Seattle and am currently based in Las Vegas. I have been working as a concept artist in the video game development industry since 2009, specializing in painting immersive environments that resemble various parts of the world. Throughout the years I have been given the opportunity to contribute to dozens of projects, expanding my abilities to more subjects and genres ranging from sci-fi vehicles to lairs of the undead.

My goal as an artist is to capture and communicate subtle, emotional qualities of locations and themes. In this way, the viewer is encouraged to make their own interpretations as they look at an illustration and feel a sense of youthful exploration, adventure, and curiosity for our world's nature and wildlife.

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