Tilly and the Buttons Iris Knickers

Buy the Iris Knickers sewing pattern from Tilly and the Buttons. Learn to sew your own undies with this multi-style knickers pattern, created in collaboration with lingerie designer Evie La Lùve. Incredibly versatile, the different waistline, leg opening and finishing options make a total of 36 combinations!

- Mix and match low, mid or high leg and waist options
- Finish the waistline and leg openings with fold over elastic and/or narrow stretch lace
- A perfect project for scrap-busting your fabric stash
- Whip them up on a regular sewing machine!

This sewing pattern is available to buy in the following formats:

– PAPER (next working day dispatch on orders and FREE UK delivery over £50)

– PDF (available to download immediately after purchase). What is a PDF?

– PDF pattern + Printed A0 copy shop (We print out the A0 pattern sheets, but you’ll need to download the digital instructions, as we don’t print these. The PDF files will be emailed immediately after purchase, and the A0 pattern sheets will be dispatched next working day). What is Copy Shop?

Suggested fabrics: 

Main fabric: Light- to medium-weight stretch knit fabric with 40-60% 4-way stretch and good recovery, such as jersey, scuba, stretch mesh, stretch velvet.

Crotch lining: Small piece of cotton jersey, bamboo jersey or similar fabric with natural fibre content.

Fabric requirements: 

Sizes 6 - 16: Main fabric, 0.5 m (5/8 yd) of 140 cm (56") or 115 cm (45") wide fabric // Crotch lining, 0.25 x 0.25 m (3/8 x 3/8 yd) // Narrow stretch lace or fold over elastic (FOE), 1 m (1 1/8 yd) for waistline + 1.5 m (1 3/4 yd) for leg openings.

Sizes 18 - 24: Main fabric, 0.6 m (5/8 yd) of 140 cm (56") or 115 cm (45") wide fabric // Crotch lining, 0.25 x 0.25 m (3/8 x 3/8 yd) // Narrow stretch lace or fold over elastic (FOE), 1.2 m (1 3/8 yd) for waistline + 1.7 m (1 7/8 yd) for leg openings.

Sizes 26 - 34: Main fabric, 0.6 m (5/8 yd) of 140 cm (56") wide fabric or 1.1 m (1 1/4 yd) of 115 cm (45") wide fabric // Crotch lining, 0.25 x 0.25 m (3/8 x 3/8 yd) // Narrow stretch lace or fold over elastic (FOE), 1.4 m (1 5/8 yd) for waistline + 1.9 m (2 1/8 yd) for leg openings.

Sizing: PLEASE READ THE FOLLOWING SIZING OPTIONS CAREFULLY.

PAPER PATTERN: UK 6 – 24. Please check the designer’s size chart and finished garment measurements.

PDF PATTERN: UK 6 – 34. Please check the designer’s size chart and finished garment measurements.

Notions: Narrow stretch lace, 20 - 40 mm (3/4" - 1 1/2") wide and/or fold over elastic (FOE), 15 - 20 mm (5/8" - 3/4") wide; all purpose polyester thread to match your fabric, lace and/or FOE; sewing machine with adjustable zigzag stitch and stretch needle // Optional: Overlocker (serger).

NOTE: Most stretch laces are suitable for all leg opening heights and the low waist opening. If you want to use lace for the high and mid waist openings, make sure your lace has a similar stretch percentage to your main fabric (40-60%).

PDF pattern includes: Step-by-step instructions; A4/US letter print-at-home pattern (14 pages); A0 copy shop pattern (1 sheet).

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