Sku: S1503

 Pdf sewing pattern - Whisper no front seam boyshorts for women

Featuring: fitted at the low/middle/high waist and hips no front seam boyshorts designed for knit fabrics. These boyshorts feature high, medium and low rise and can be finished with elastic (regular or picot) or waistband band, fully enclosed gusset that runs down the legs. The gusset can be fully or partially lined. Legs can be hemmed, finished with non slip or with a lace. Optional v-shaped back panel.

Available inseams
1 / 3 / 5 / 7.5 in

Options for the rise:
Low / Medium / High rise with the waistline finished with enclosed braided / clear elastic or a waistline band (low and medium rise only).

Options for the leg finishes:
* Hemmed
* Stretch lace

These boyshorts performed well as: regular underwear, sleeping shorties, anti chafe shorties (3-7.5 in inseams), compression underwear (high rise) and running shorties that stay put. 

The pattern offers the following options:
View A - High/Medium rise boyshorts with hemmed legs / legs finished with lace
View B - Low rise boyshorts finished with waistline band 
View C - High/Medium/Low rise boyshorts with a back panel

Techniques to master: serging, topstitching, attaching lace trim, attaching picot elastic. 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 (21 pages)
2. A4/Letter layered multisided  pattern in sizes XXS-4XL in REGULAR/PETITE/TALL height (20 pages)
3. A0/Copyshop layered multisized pattern in sizes XXS-4XL in REGULAR/PETITE/TALL height (1 page)
4. Projector multisized layered pattern with a calibration grid in sizes XXS-4XL in REGULAR/PETITE/TALL height
5. Email/Facebook group support


The pdf pattern comes in REGULAR, PETITE and TALL with sizes from XXS to 4XL

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 (2/10)  level and moderately easy to sew.
First pair might take 1-2 hours, the following pairs take 20-30 minutes to finish (time may vary depending on your skills, equipment and supplies).


Light to medium weight, knit fabrics with at least 50% horizontal and 30-50% vertical stretch like Cotton Lycra, Stretch mesh, Nylon Lycra. Make sure that your fabric has good or excellent recovery - in this case your briefs will keep their shape and will not stretch through the day. 

45-60" / 115-160 cm fabric width  - 0.45 m / 1/2 yards

Lining (gusset)

Light to medium weight fabrics with 4 way stretch like cotton jersey, cotton interlock and other fabrics with natural fibers. The fabric doesn't need to have good recovery. 

45-60" / 115-160 cm fabric width  - 0.15 m / 6 inches 



  1. For the waistline: Clear or braided elastic 7-15 mm / 1/4-5/8 in width or Picot elastic 5-10 mm / 1/4-3/8 in width 

  2. Polyester / Cotton threads 

  3. (optional) Matching overlocker threads, preferably wooly nylon stretch overlocking thread

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: