Why do new hoodies shed lint?

Short answer: New hoodies shed lint mainly because loose and short fibres are created during fabric making and garment production and have not yet been washed away. Brushing the back of fleece pulls fibres out of the yarn to create a soft pile, and some of those fibres break off. Cutting and sewing leave fibre dust at edges, and yarns with more short fibres or lower twist release more fibres. Some blends and brushed constructions shed more than smooth knits, and bright or dark colours make lint more visible on other garments. Shedding is usually highest in the first washes and then reduces, but poor fabric quality can keep shedding and also develop fuzz and pills. To reduce it, choose fabrics with suitable yarn quality, control brushing and shearing at the mill, ask whether fabric is cleaned after brushing, remove loose fibres from finished garments before packing, and consider a garment wash where it suits the product. Compare candidate fabrics by washing samples to an ISO 6330 procedure and inspecting lint and surface change, and check fuzzing and pilling with ISO 12945-2, since the same loose fibres contribute to pilling.

Why hoodies shed

• Brushing breaks fibres from the yarn.
• Cutting and sewing create fibre dust.
• Short fibres and low twist release fibres.
• Lint is more visible on contrasting colours.

Reducing shedding

• Choose suitable yarn quality.
• Control brushing and shearing.
• Clean fabric after brushing.
• Remove loose fibres before packing.
• Consider garment washing.

Comparing fabrics

• Wash samples and inspect lint and surface.
• Check fuzzing and pilling.

A worked example

As an illustration, if a fleece sheds heavily, the factory could compare it with a fleece from a different yarn or brushing setting by washing both and inspecting surfaces and lint, before choosing the bulk fabric.

Care advice

Advising customers to wash new hoodies separately or with similar colours before first wear, and to clean dryer filters, reduces complaints. Base the advice on what testing shows.

Product listings and returns

If a fleece is known to shed when new, saying so honestly in product care information and recommending a first wash before wearing reduces disappointed customers. Track lint complaints by colour and fabric lot, because patterns in returns often point to one fabric or one dye lot rather than the whole range.

Limits

All brushed fabrics shed some fibres, especially when new. Fabric choice and finishing reduce shedding but do not remove it entirely.

Facts, recommendations and uncertainty

Established: brushing and short fibres cause most shedding in new hoodies. Recommendation: compare fabrics by washing, control finishing and clean garments before packing. Uncertain: how much shedding your customers notice and accept.

Sources and further reading

• ISO 12945-2:2020 — Pilling, fuzzing or matting, modified Martindale method
• ISO 6330:2021 — Domestic washing and drying procedures for textile testing

Standards and regulations are referenced by their published scope. Test parameters, cycles and pass levels should be agreed with your laboratory for the specific product; legal requirements should be confirmed for each destination market.