ASOS Activewear Sets Resale Value

ASOS activewear sets: price by condition

Seller-declared grades, sterling with an approximate US dollar equivalent at £1 ≈ $1.33 (July 2026). What each grade means.

What holds its value across ASOS

• ASOS Edition occasionwear, which is made in smaller runs for weddings and events and is genuinely searched for secondhand
• Bridesmaid and formal dresses, which are bought once, worn once and sell on well while the style is current
• ASOS 4505 activewear, which is a separate line with its own following rather than a mainline basic
• Anything unworn with tags, since the gap between the sale price new and the secondhand price is narrow on this label

What pulls ASOS resale value down

• ASOS Design mainline basics, which are discounted so aggressively new that a used one rarely covers postage
• Anything more than a season or two old, which is competing against the current range at clearance prices
• Peeling faux leather and coated finishes, common on the cheaper outerwear and beyond repair
• Pilled jersey and knitwear, which appears quickly on the lighter blends

Identifying and dating yours

1. The neck label distinguishes ASOS Design from Edition, 4505 and Collusion, and only some of those are worth listing individually
2. The care label carries a product code that can be searched to confirm the season and what it originally sold for
3. ASOS sizing varies noticeably between its own lines, so give flat measurements rather than the label size

What lifts any activewear set, whatever the label

Activewear is heavily supplied second hand, so brand and fabric integrity are what separate a sale from a listing that sits.

• Recognised activewear brands with a following
• Fabric with no pilling or transparency when stretched
• Intact waistbands with working elastic
• Complete matching sets

And what pulls one down

• Pilling between the thighs, very common
• Fabric that goes sheer when stretched
• Perished waistband elastic
• Unbranded sets, which sell for very little

Working out what yours is worth

1. Stretch the fabric against the light to check opacity
2. Inspect the inner thigh area for pilling
3. Confirm both pieces match in size and colour

What to state in the listing

• Brand and specific product line
• Sizes of both pieces, stated separately
• Fabric composition, and whether opaque when stretched
• Any pilling on the inner thigh, and seam condition

Brand, line and both sizes: “Gymshark Vital Seamless Set, Top S Leggings S, Sage”. Brand line names are searched exactly in activewear. State both sizes and confirm it is a genuine matching set.

Preparing and photographing it

1. Check the top and bottoms are genuinely matching, same brand line and same colour batch.
2. Test the fabric for opacity when stretched, and check the waistband and seams.
3. Note both sizes separately and the brand’s style names if they have them.

1. Both pieces laid out together
2. The fabric stretched over a hand, showing opacity
3. Both size and composition labels
4. Seams, waistband and any pill, mark or pull

When it sells best, and handing it over

Steady with a strong January lift and a spring bump. Recognised activewear brands sell within days.

Light and cheap to post. Wash both pieces before sending and say so — on used activewear that single sentence resolves the buyer’s main hesitation, and it costs you nothing but a wash cycle.

What buyers ask

Is ASOS own-brand worth selling secondhand?

Occasionwear is — ASOS Edition dresses and formal pieces sell steadily. Mainline ASOS Design basics generally are not, because the new price after discount is close to what a used one would fetch. Bundle those instead.

Which ASOS line holds value best?

ASOS Edition, the occasionwear line, followed by 4505 activewear. Both are labelled separately from ASOS Design and are worth naming in the title.

How much is an ASOS activewear set worth?

Roughly £11 to £41 depending on condition, against £15 to £55 for activewear sets generally. The identification points above are what move a listing to the top of that range.

What the fees would take elsewhere

At the mid-range £26 for an ASOS activewear set, against what the commission marketplaces would deduct:

Seller-side rates verified 26 Jul 2026, percentages only — the per-order and processing charges those platforms add are excluded, so the real gap is wider.

Listing is free and there is no commission — read how to sell an activewear set for the title, handover and timing, or the general activewear set value guide if yours is not an ASOS.

See also: all ASOS value guides · value guides by brand · buying an activewear set · Clothing · condition grades.