SKU: 34490881531
sleeveless tank dress

sleeveless tank dress Underwood Tank Dress & Top Sewing Pattern (PDF) – Sew House Seven

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Description

sleeveless tank dress Underwood Tank Dress & Top Sewing Pattern (PDF) – Sew House SevenThis is a PDF downloadable pattern. Both Curvy & Standard fits are included with your purchase. The Underwood Tank is one of the easiest knitwear patterns you will ever sew and wear. It was designed with hot weather comfort in mind and is the ultimate warm weather travel piece. This style was meant to cover a wide spectrum of summer weather wardrobe needs anywhere from a swim suit cover up to an out to dinner dress. All versions are sleeveless, fitted

This is a PDF downloadable pattern.

Both Curvy & Standard fits are included with your purchase.

The Underwood Tank is one of the easiest knitwear patterns you will ever sew and wear. It was designed with hot weather comfort in mind and is the ultimate warm weather travel piece. This style was meant to cover a wide spectrum of summer weather wardrobe needs - anywhere from a swim suit cover-up to an out-to-dinner dress. All versions are sleeveless, fitted through the upper bust and then flowing into an A-line shape with a deep, curved back neckline that falls just above the bra-line for a little drama. The long (above the ankle) length dress also features long, knee length side vents. There are three options for hem lengths, two options for front neckline depths, and two options for neck and armhole finishing.

This pattern was fit using a bamboo/lycra jersey fabric. Most knit fabrics with at least 50 % stretch in the width and 20% in the length will work, however, be aware that more or less stretch may result in a smaller or larger fitting garment and you may need to size up or down.

  • This is a pdf downloadable pattern only.
  • This is an advanced beginner pattern.
  • Sizes 00 - 20
  • This pattern is layered.

Need help choosing your size? See our Fit Guide for sizing information.

Show us your #underwoodtankdress and #underwoodtanktop on Instagram

Having trouble printing your PDF pattern? Click here for our PDF Troubleshooting Tips!

 

Pattern Features

  • sleeveless tank
  • loose fitting body with an A-line shape
  • deep, scooped back neck
  • long, side vents on long version #3
  • option A to finish the neck and armholes with folded facings. OR
  • option B to turn the neck and armhole edges back and hem.

THREE LENGTHS:

  • high-hip length top
  • above-the-knee length mini dress
  • above-the-ankles length maxi/midi dress

TWO NECKLINES:

  • semi-hi front neck (neckline A)
  • scooped, low front neck (neckline B)

Fabrics, Sundries & Measurements

Knit fabrics with at least 50% stretch in the width and 20% in length such as bamboo jersey, rayon jersey, soy/cotton jersey and some cotton knits.

Pattern Files

  • Layered pattern files.

PDF downloadable pattern files include:

STANDARD FIT 00-20

  • Instructions 8.5" X 11" or A4 paper size, 18 pages, 10.7 MB
  • At Home Pattern File 8.5" X 11" or A4 paper size, 54 pages, 483 KB
  • U.S. Copy Shop LONG TANK File 36" X 73" 1 page, 105 KB;
  • U.S. Copy Shop MINI DRESS & TOP File 36" X 48" 1 page, 114 KB;
  • A0 Copy Shop LONG TANK File 2 pages, 112 KB;
  • A0 Copy Shop MINI DRESS & TOP File 1 page, 113 KB;
  • How To Use Acrobat Layers 1 page, 719 KB
  • zip file that includes all of the above files 7 files, 11.9MB

CURVY FIT 18 - 34

  • Instructions 8.5" X 11" or A4 paper size, 17 pages, 3.4 MB
  • At Home Pattern LONG TANK 8.5" X 11" or A4 paper size, 44 pages, 919 KB
  • At Home Pattern MINI DRESS & TOP 8.5" X 11" or A4 paper size, 33 pages, 757 KB
  • U.S. Copy Shop LONG TANK File 36" X 94" 1 page, 115 KB;
  • U.S. Copy Shop MINI DRESS & TOP File 36" X 79" 1 page, 117 KB;
  • A0 Copy Shop LONG TANK File 3 pages (3rd page is optional facings), 133 KB;
  • A0 Copy Shop MINI DRESS & TOP File 2 pages, 121 KB;
  • How To Use Acrobat Layers 1 page, 719 KB
  • zip file that includes all of the above files 7 files, 5.1 MB
Shipping Notes
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  • Delivery to the USA:
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 34490881531

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Reviewed in the United States on May 3, 2026
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Tatacrio
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★★★★★ 5
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Size: Medium, Color: (348) Silica Green / Silica Green / Hydro Green
I have them in every color and used to get them from Sams, but they stopped selling them and I was lucky to find them on Amazon. Got all colors again. They stay, it's all I'm gonna say! And don't show in any of my tennis shoes. Absolutely love them and wear them until they get holes. They last a LONG time too. They're on the thin side and my foot loves them because they tend to get hot. There's no shrinking, they wash great with exception of the white ones I couldn't manage to keep white - they turned a bit greyish.
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Reviewed in the United States on January 4, 2026
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Christy F
Port Orchard, US
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Cait E
West Palm Beach, US
★★★★★ 5
These ACTUALLY stay put all day long - I was skeptical, but am so glad I took a chance on these
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