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Swimwear

Swimwear

Our 100% polyester sewing threads are engineered to deliver high seam strength and elongation as well as colour fastness in chlorinated water.

Approximate thread consumption for men's swimwear is 50 metres. For ladies' swimwear is 75 metres. For children's swimwear is 40 metres. Alternative thread types may be used depending on required final quality. The thread size will determine the choice of needle size.

For more information, check out our recommendations below.

Application guide

We can tailor the product application guide to show you the exact information you require, please select the necessary options from the filter below. Below are recommended stitch types for this end use item.

Threads

Threads_0

Standard
Value

1
2
3
4
5

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Lockstitch	301	12 - 14	Coats® Epic™	Coats® Epic™	80-90
				Tex 30	Tex 30
				Ticket 100	Ticket 100

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock	504	14 - 16	Coats® Epic™	Coats® Epic™	80-90
				Tex 30	Tex 18
				Ticket 100	Ticket 180

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock att. elastic	503	14 - 16	Coats® Epic™	Coats® Epic™	80-90
				Tex 18	Tex 18
				Ticket 180	Ticket 180

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Coverseam	406	14 - 18	Coats® Epic™	Coats® Epic™	80-90
				Tex 30	Tex 40
				Ticket 100	Ticket 80

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Bartack	304		Coats® Epic™	Coats® Epic™	80-90
				Tex 30	Tex 30
				Ticket 100	Ticket 100

1
2
3
4
5

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Lockstitch	301	12 - 14	Coats® Epic™	Coats® Epic™	80-90
				Tex 30	Tex 30
				Ticket 100	Ticket 100

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock	504	14 - 16	Coats® Epic™	Coats® EcoVerde™ Seamsoft™	80-90
				Tex 30	Tex 18
				Ticket 100	Ticket 160

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock att. elastic	503	14 - 16	Coats® Epic™	Coats® EcoVerde™ Seamsoft™	70-80
				Tex 18	Tex 18
				Ticket 180	Ticket 160

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Coverseam	406	14 - 18	Coats® Epic™	Coats® EcoVerde™ Seamsoft™	80-90
				Tex 30	Tex 18
				Ticket 100	Ticket 160

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Bartack	304		Coats® Epic™	Coats® Epic™	80-90
				Tex 30	Tex 30
				Ticket 100	Ticket 100

1
2
3
4
5

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Lockstitch	301	12 - 14	Coats® Eloflex™	Coats® Eloflex™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock	504	14 - 16	Coats® Eloflex™	Coats® Eloflex™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock att. elastic	503	14 - 16	Coats® Eloflex™	Coats® Eloflex™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Coverseam	406	14 - 18	Coats® Eloflex™	Coats® Eloflex™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Bartack	304		Coats® Eloflex™	Coats® Eloflex™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

1
2
3
4
5

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Knitted	Lockstitch	301	12 - 14	Coats® Epic™	Coats® Epic™	80-90
				Tex 30	Tex 30
				Ticket 100	Ticket 100

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Knitted	Overlock	504	14 - 16	Coats® Epic™	Coats® Gramax™	80-90
				Tex 30	Tex 18
				Ticket 100	Ticket 160

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Knitted	Overlock att. elastic	503	14 - 16	Coats® Gramax™	Coats® Gramax™	80-90
				Tex 18	Tex 18
				Ticket 160	Ticket 160

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Knitted	Coverseam	406	14 - 18	Coats® Epic™	Coats® Gramax™	80-90
				Tex 30	Tex 35
				Ticket 100	Ticket 80

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Knitted	Bartack	304		Coats® Epic™	Coats® Epic™	80-90
				Tex 30	Tex 30
				Ticket 100	Ticket 100

1
2
3
4
5

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Lockstitch	301	12 - 14	Coats® Astra™	Coats® Astra™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock	504	14 - 16	Coats® Astra™	Coats® Astra™	75-90
				Tex 27	Tex 18
				Ticket 120	Ticket 180

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock att. elastic	503	14 - 16	Coats® Astra™	Coats® Astra™	65-75
				Tex 18	Tex 18
				Ticket 180	Ticket 180

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Coverseam	406	14 - 18	Coats® Astra™	Coats® Astra™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Bartack	304		Coats® Astra™	Coats® Astra™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

1
2
3
4
5

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Knitted	Lockstitch	301	12 - 14	Coats® Astra™	Coats® Astra™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock	504	14 - 16	Coats® Astra™	Coats® Astra™	75-90
				Tex 27	Tex 18
				Ticket 120	Ticket 180

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Woven	Overlock att. elastic	503	14 - 16	Coats® Gramax™	Coats® Gramax™	65-75
				Tex 18	Tex 18
				Ticket 160	Ticket 160

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Knitted	Coverseam	406	14 - 18	Coats® Astra™	Coats® Gramax™	80-100
				Tex 27	Tex 35
				Ticket 120	Ticket 80

Garment category	Machine type	Stitch type	Stitch rating per 3cm	Needle thread	Under thread	Needle size Nm
Knitted	Bartack	304		Coats® Astra™	Coats® Astra™	75-90
				Tex 27	Tex 27
				Ticket 120	Ticket 120

Recommended Sustainable Products

SEE ALL PRODUCTS

Coats has a wide range of sustainable and eco-friendly sewing threads, yarns, zips and trims.

Seamsoft

Coats® EcoVerde™ Seamsoft™ AS

A 100% recycled unique micro-filament textured polyester thread that offers exceptional softness and comfort for next-to-skin seams.

Gramax

Coats® EcoVerde™ Gramax™ AS

A 100% recycled polyester continuous filament textured thread.

Seamsoft

Coats® EcoVerde™ Seamsoft™

A 100% recycled unique micro-filament textured polyester thread that offers exceptional softness and comfort for next-to-skin seams.

Disclaimer

The main factors to consider are:

The demands of the stitching operation
The amount of load / demand placed on the seam
The type and weight of fabric being sewn

Over recent years the fabrics used in the manufacture of swim wear have become lighter in weight. This has seen thread selection change to the use of finer threads. Historically, swimwear garments would have the load bearing elements of the seams sewn in Tex 40. This has since moved through Tex 35 and nowadays Tex 30 is in common use.

Some swimwear manufacturers still have a preference for a slightly heavier thread than Tex 30 and in these case we would recommend Epic Tex 35 to replace Epic Tex 30 in the above table.

With high stretch garments such as swimwear the importance of maintaining adequate stitch ratings cannot be over stressed. There should be enough thread engineered into the seam so that the required seam elongation is achieved, without over stressing the thread in the seam.

In order to avoid damage to the fabric during the sewing of knitted garments, ball point needles are generally recommended.

Stitch type 503 has been recommended for the application of the elastic to the swimsuit. The use of this stitch type offers a number of advantages over the use of stitch type 504 in this application, they are:

Higher seam elongation, especially if Gramax Tex 18 is used on both elements, as suggested.
Reduced seam cost, due to lower thread consumption.
Finer seams, resulting in improved garment comfort.

Coverseaming on swimsuits mainly involves the following stitch types:

406 – Twin needle coverseam
607 – Flatseam, Four needle coverseam with a top covering thread

Where stitch type 607 Flatseam is involved the thread recommended for top covering is Epic Tex 30 or 35. This thread can be subjected to severe abrasion when the garment is in use and therefore the product often used.

The sewing thread recommendations laid out above are intended as a guide to aid the construction of garments with good quality seams. As garments of the same generic type differ in terms of fabric substrate and construction, and both making up methods and post make up processing can greatly vary, these recommendations should be viewed as a good starting point for thread selection.

Garment specific recommendations for thread and needle selection as well as accurate thread consumption figures and onsite technical support can be obtained by contacting your local Coats’ office.

Registered users can place Sample Orders . Contact local Coats office for registration.

Registered users can place Bulk Orders . Contact local Coats office for registration.

Registered users can place Sample Orders . Contact local Coats office for registration.

Registered users can place Bulk Orders . Contact local Coats office for registration.

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