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Handy Women Boutique

Caulk Master Muscle Shirt

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Unleash your inner handywoman and show off your caulk-tastic skills with pride! Because who says caulking can't be a badass art form? 

Muscle tees: the perfect apparel for fierce handy women who conquer DIY projects with style and strength! Crafted with breathable fabric, this tee keeps you cool and confident. With its empowering design, it shows off your DIY skills and strength as you slay projects in style!

• 100% airlume combed ring-spun cotton
• Fabric weight: 4.2 oz/y² (142 g/m²)
• 32 singles
• Relaxed fit
• Side-seamed construction
• Wide, low-cut armholes
• Blank product sourced from Nicaragua, Honduras, or the US

This product is made especially for you as soon as you place an order, which is why it takes us a bit longer to deliver it to you. Making products on demand instead of in bulk helps reduce overproduction, so thank you for making thoughtful purchasing decisions!

Size guide

  SHIRT WIDTH (inches) SHIRT LENGTH (inches) CHEST TO FIT (inches)
S 18 26 34-37
M 20 27 38-41
L 21 5/8 28 42-45
XL 23 5/8 29 46-49
2XL 25 5/8 30 50-53
S 45.7 66 86.4-94
M 50.8 68.6 96.5-104.1
L 53.3 71.1 106.7-114.3
XL 58.4 73.7 116.8-124.5
2XL 63.5 76.2 127-134.6
Caulk Master Muscle Shirt
Caulk Master Muscle Shirt
Caulk Master Muscle Shirt
Caulk Master Muscle Shirt


Do you accept returns and/or exchanges?

Find our return policy here.

Do you accept refunds?

Find our return policy here.

Where do you ship?

Currently primarily in North America. If you would like to purchase in your country, please send an email to

What are your shipping times?

Find our shipping policies and information here.