Vacuum Bags vs Hanging Storage: What to Use When

Short answer: choose storage by the garment

There is no single best storage method – only the right method for each garment. The big trap is vacuum-packing everything to save space, because that compresses exactly the garments that depend on air to hold both shape and warmth. Use this main rule:

• Vacuum bag: only for flat, woven textiles – cotton bedding, sheets, towels and synthetic duvets you want to shrink down.
• Lay flat: heavy knits, wool, cashmere and anything that stretches under its own weight.
• Hang: structured pieces like suits, coats and dresses, on wide or shaped hangers.
• Never vacuum: down, wool and cashmere – the air you press out is both the insulation and the shape.

The vacuum bag: saves space, but forces out the air

A vacuum bag removes air – and air is exactly what makes down warm and knitwear lofty. A down garment holds heat because thousands of tiny plumes trap air; press it out for months and the down cannot always spring back, so the jacket comes out flatter than it went in. Wool and cashmere are damaged differently: the fibres crease into hard folds that turn permanent, and if you pack away a garment that is not fully dry, you seal moisture against the fabric – an open invitation to mildew. That is why vacuum suits only flat, robust textiles with no lofty fill.

• Safe: cotton sheets, towels, pillowcases and other flat, woven textiles.
• Risky: anything with fill, lofty knit or natural fibre that needs to breathe.
• Always check the garment is completely dry before you suck out the air.

Hang or lay flat? The shape decides

For the garments that should not be vacuumed, the choice is between hanger and shelf. The rule is simple: hang what has a construction to preserve, and lay flat what stretches under its own weight.

1. Hang suits, blazers, coats and dresses on wide or shaped hangers that support the shoulders – thin wire hangers leave bumps.
2. Fold heavy sweaters, cardigans and everything in wool and cashmere and lay them flat; hung up, the weight drags the garment out of shape and leaves shoulder 'horns'.
3. Put the heaviest items at the bottom of the pile and keep garments loose, not crammed.
4. Keep zips and buttons closed on what hangs, so the garment keeps its shape.

Whatever the method: clean, dry and airy

The storage itself fails if the groundwork is wrong, whether you hang or fold. Three things apply to everything: always put garments away clean – invisible sweat and body oil yellow the fabric and draw moths over time – make sure everything is completely dry, and choose a dark, cool, airy spot. Use breathable cotton bags or pillowcases rather than sealed plastic for whatever you do not vacuum-pack, and add cedar or lavender as mild moth prevention.

When does a garment need a professional?

You can handle most of this yourself. But once a down jacket has been pressed flat by a season in a vacuum bag, shaking it out rarely helps – the down needs a proper wash that breaks up the clumps and brings the loft back. The same goes for valuable wool and cashmere, suits and 'dry clean only' outerwear that will sit for a long time: a professional clean before storage removes sweat and body oil from deep in the fibres, so the garment neither yellows nor draws moths while it lies stored. If you want your down jacket back to full loft, or your outerwear safely into the wardrobe, you can send it to us. You order online, and you see the price before you order.

Frequently asked questions