Sku: S1088

Sinclair Patterns Rio racerback tank top and jersey dress pdf sewing patterns for women


Featuring: fitted at the shoulders and bust, relaxed at the waist and semi relaxed at the hips tank top for knit fabrics. Can be made as a longline tank top (crotch length) or as a dress above the knee length. Both options have faced curved hem and scoop neck. It can be colorblocked at the front panel. Armholes and neckline are finished with fully enclosed binding. The tank top and dress have the right amount of coverage and ease yet is pretty, sporty, sexy and comfortable. A fairly simple design elevated with details. Surely a summer essential as it's one of those patterns that can have infinite looks depending on the fabric. It's also a fantastic layering piece so works from spring to fall! This pattern is perfect for anyone looking to add to their wardrobe, not only for a perfect fitting, comfy, versatile garment, but to allow them to learn to sew new techniques and improve their sewing skills!

View A- Colorblocked top with classic back or racerback
View B-  Dress with classic back or racerback

You can mix options from different viewsto create your own unique garment.
Techniques to master: serging, topstitching, bindings, curved faced hem
This pattern is designed to get professionally looking garment using a standard sewing machine. 

Comes with a detailed tutorial with step by step instructions and photos.


1. PDF tutorial with pictures (18 pages)
2. A4/Letter layered multisided  pattern in sizes XS-4XL in REGULAR/PETITE/TALL height (25-30 pages)
3. A0/Copyshop layered multisized pattern in sizes XS-4XL in REGULAR/PETITE/TALL height (2 pages)
4. Projector multisized layered pattern with a calibration grid in sizes XS-4XL in REGULAR/PETITE/TALL height
5. Email/Facebook group support


The pdf pattern comes in REGULAR, PETITE and TALL with sizes from XS to XXL

US0-US22 / UK8-UK26
PETITE 152-160 cm /5 1” - 5 3”
REGULAR 162-170 cm / 5 4” - 5 6”
TALL 170-178 cm / 5 7” - 5 9”

Sinclair Patterns Sizing guide Womens



The pdf pattern is a beginner (3/10)  level and moderately easy to sew.
Takes 2-3 hours to finish (time may vary depending on your skills, equipment and supplies).


Light to medium weight knit fabric with at least 50 % horizontal and 20% vertical stretch

50/60" / 140-160 cm
TANK TOP (US0-US20)  0.7-0.9 m / 3/4-1 yards
TANK TOP (US22-US30)  1.2-1.5 m / 1 1/2-1 3/4 yards
DRESS (US0-US20)  0.9-1.2 m / 1 - 1 1/4  yards
DRESS (US22-US30)  1.5-1.8 m / 1 1/2 - 2 yards

Ribbing/Main Fabric (neckline and armhole binding)

Light to medium weight knit fabric with at least 30-50% stretch and medium recovery.
50/60" / 140-160 cm  - 0.1 m / 1/8 yards


  1. Polyester / Cotton threads
  2. (optional) Matching overlocker threads, preferably wooly nylon stretch overlocking thread



This pdf pattern is not offered in custom sizes.



Customer Reviews

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Our patterns come in extensive sizing range and each pattern offers Petite/Short, Regular and Tall options. All options included into the patterns.

We do not offer separate cup sizing for our knit patterns.

Cup sizes for different sizes you can find in the table below. The sizing letters refer to 'sewing cup size' which is measured as a difference between upper and full bust in inches. This cup sizing is different from bra cup sizing. As a general rule our patterns fit well majority of our customers without additional modifications. 


Full sizing guide for Women 

* Please note that some patterns have US0-US22 sizing included into the patterns. Check individual pattens to get that information. 

PETITE 152-160 cm /5 1” - 5 3”
REGULAR 162-170 cm / 5 4” - 5 6”
TALL 170-178 cm / 5 7” - 5 9”

More information: What is the difference between Petite, Regular and Tall

Sinclair patterns - PDF sewing sewing patterns sizing guide

Full sizing guide for Men 

SHORT 163-170 cm /5’4” - 5’7”
REG 173-180 cm / 5’8” - 5’11”
TALL 183-190 cm / 6’-6’3”
Sinclair Patterns Sizing guide for Mens patterns


Full sizing guide for children 

Our sewing patterns for children is are for 2 body types - Regular and Slim. Please note, that Regular and Slim sizing charts refer to the body type (vertical to horizontal measurements proportions) and not to the fit of the garment.

REGULAR sizing
Sizes A-R or D-R (check individual patterns for sizing)  
HEIGHT 56-164 cm / 22-64.6 in or 80-164 cm / 31.5-64.6 in
Appr. 0 Months - 14 Years or 12 Months - 14 Years

SLIM sizing
Sizes D-R
HEIGHT 80-164 cm / 31.5-64.6 in
Appr. 12 Months - 14 Years

Sinclair Patterns kids - sizing guide pdf sewing patterns

More resources




This is a PDF pattern that is delivered as a downloadable file which you can further print at home, print at copyshop or use with your projector.
The files provided with the pattern are Read only. You cannot edit them.
You need to have Adobe Acrobat (free app) to open and print them.
You can use this pattern for your small home based sewing business, including manufacturing small batches of garments for sale.

If you need any further assistance you can contact us via email: