Manufacturer · Fashion & Home Accessories
Waistband elastic for trousers and skirts must keep the garment in place, not roll and stay comfortable all day. For most waistbands the safest choice is a dense woven elastic between 25 and 40 mm wide, inserted in a casing or sewn directly to the edge. The exact type and stretch depend on the fabric, the cut and whether the waist is fully elasticated.
Types of elasticated waist
Before choosing waistband elastic, decide what type of waist you are sewing. Different constructions load the elastic in different ways.
Fully elasticated waist
The elastic runs around the entire circumference and alone holds the garment. It is typical of joggers, pyjamas, summer trousers, jersey skirts and children's clothing. Here the elastic carries the full load, so a stable woven elastic with good stretch is preferred.
Partially elasticated waist
The elastic is only at the back or the sides, while the front has a waistband with a button and zip. This solution is popular in children's jeans, work and hiking trousers, and comfortably cut women's trousers. A shorter but stronger elastic is used, secured at the ends of the casing.
Waist with elastic and drawcord
The elastic provides the basic fit, while the drawcord allows extra tightening. It is found on sports shorts, joggers and beach trousers. It requires a casing slightly wider than the elastic or a separate channel for the drawcord, as well as buttonholes or eyelets for the exit. Suitable cords can be found in the cords category.
Waistband elastic by product type
| Product | Type of elastic | Approximate width |
|---|---|---|
| Everyday trousers | Woven, moderate stretch | 30–40 mm |
| Skirt in heavy fabric | Woven, non-roll | 25–35 mm |
| Light skirt or dress | Knitted or thin woven | 15–25 mm |
| Joggers and shorts | Woven or jacquard | 30–40 mm |
| Children's trousers | Woven, soft to the touch | 20–30 mm |
| Work trousers | Woven, strong stretch | 40–50 mm |
| Pyjamas | Knitted or soft woven | 20–30 mm |
The table is a guide from sewing practice. Always make a trial garment for the exact choice.
Why woven elastic is the standard for waistbands
Woven elastic does not narrow when stretched, has dense edges and does not roll in the casing. This means the waistband stays flat even when the wearer bends and sits repeatedly. With heavy fabrics such as denim, corduroy or workwear fabrics, the difference compared with knitted elastic is especially noticeable: knitted elastic stretches and the waist begins to drop. The options are in the woven elastic category.
How to choose the stretch
Stretch (recovery force) is the force with which the elastic returns after being stretched. It depends on the quantity and type of elastic yarns and is set during production.
- Light stretch – for pyjamas, loungewear and light skirts, where maximum comfort is sought.
- Moderate stretch – universal for everyday trousers, joggers and children's clothing.
- Strong stretch – for work trousers with heavy pockets, garments worn with a tool belt, and partially elasticated waists.
Elastic that is too strong presses and leaves marks on the skin, while elastic that is too weak does not hold the garment. If you change the type of elastic in an existing pattern, check the length of the cut piece again.
Visible or hidden elastic
With hidden elastic the band sits in a casing and its colour does not matter – white or black is often used. With visible elastic that is part of the design (boxer shorts, leggings, sports shorts, lounge trousers), a colour matched to a sample or Pantone is chosen, and for brands a jacquard elastic with a woven-in logo. Visible elastic is also an opportunity for branding without additional labels.
Common mistakes with waistband elastic
- Using soft knitted elastic with heavy fabric – the waist drops and rolls.
- A casing much wider than the elastic – the band twists.
- Elastic cut the same length for all sizes – larger sizes become tight and smaller ones loose. The length is graded together with the pattern.
- No securing at the side seams – the elastic slides and the gathering collects in one place.
- Stretch not tested after washing – some elastics shrink or relax after the first wash.
How to determine the elastic length
The elastic length is calculated relative to the waist circumference for the relevant size. In sewing practice the elastic is usually cut slightly shorter than the circumference so that it fits snugly, with the exact ratio depending on the stretch of the specific band. So do not transfer lengths mechanically from one type of elastic to another. Make a trial garment in the base size, try it on, adjust it and only then grade for the other sizes. Add about 2 cm for overlapping the ends.
Related materials for the waist
Besides the elastic, a functional waist often requires a drawcord, cord stoppers, eyelets or buttonholes for the cord, a size label and a waistband with a button. A general overview of elastic bands for edges and cuffs is in the elastics section. It is a good idea to order all the components together, so that the colours match and they can be tested in one trial garment.
How to prepare the order
To get an accurate quote for waistband elastic, prepare a few details: the type of product and fabric, the casing width or sewing area, the desired stretch (light, moderate, strong), the colour and whether the elastic is visible, as well as the approximate quantity per article. If you have a sample you like, send it – it is the easiest basis for selecting an equivalent.
Waistband elastic from Polkom
Polkom is a manufacturer of haberdashery for clothing, based in Sofia. We supply woven waistband elastic in various widths and stretches, colour-matched to a sample and as jacquard elastic with a logo, with samples before the production run and delivery across the EU. Send a description of the product via our contact page.
