Under Armour Gym Leggings Resale Value

Used Under Armour gym leggings are typically worth £10 to £42 (approximately $13 to $56), against £10 to £40 for gym leggings generally. Under Armour is a technical apparel brand first, and its resale rests on whether the fabric still does its job. Compression kit that has lost its stretch is worth very little regardless of how it looks.

Under Armour gym leggings: price by condition

Condition	Typical
New with Tags	£42 (~$56)
Like New	£36 (~$48)
Good	£27 (~$36)
Fair	£19 (~$25)
For Parts	£10 (~$14)

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 Under Armour

HeatGear and ColdGear pieces with the stretch intact, which is the technology people are actually buying
Team and licensed kit, which has a following beyond ordinary sportswear
Larger sizes, which are consistently harder to find second hand than small ones
Outerwear and gilets, which cost more new and hold value better than base layers

What pulls Under Armour resale value down

Stretched-out compression garments, where the elastane has given and the fit has gone — which is the whole point of the product
Pilling on the smooth technical fabrics, which shows badly and cannot be removed without damaging the surface
Persistent odour in synthetic base layers, which holds in the fibres and is difficult to wash out completely
Cracked printed logos, which is how the graphics on technical fabric eventually fail

Identifying and dating yours

The interior label names the fabric technology, which is what buyers search for rather than the garment type
Stretch the garment and let it go on camera if you can, since recovery is the honest measure of whether it still works
Photograph the underarm and inner thigh areas, which are where pilling and thinning show first

What lifts any gym leggings, whatever the label

Gym leggings are the item buyers most want reassurance about, because squat-test failure makes them unusable.

Recognised activewear brands
Fabric that stays fully opaque when stretched
Waistbands with full elastic recovery
No pilling on the inner thigh

And what pulls one down

Fabric that goes sheer under stretch
Pilling between the thighs
Slack waistbands that roll down
Unbranded leggings

Working out what yours is worth

Stretch the fabric over your hand against the light
Check the inner thigh area for pilling
Test the waistband recovery

What to state in the listing

Brand, style name, size and inseam length
Whether they stay opaque when stretched
Waistband height and whether the elastic still recovers
Pilling on the inner thigh, and whether they have pockets

Brand, style, size and inseam: “Gymshark Adapt Leggings, Size S, 26in Inseam”. Style names are searched exactly. Say whether they have pockets, which is a genuine differentiator in gym wear.

Preparing and photographing it

Stretch the fabric over your hand and photograph whether it stays opaque.
Check the waistband still recovers after stretching, and look at the inner thigh for pilling.
Note the brand, style name and inseam length.

Laid flat, front, whole leg
The fabric stretched over a hand, showing opacity
The waistband, showing height and recovery
The inner thigh and gusset, plus the size tag

When it sells best, and handing it over

Strong January lift and a steady spring. Recognised activewear brands sell within days.

Very light and cheap to post. Wash them and say so in the listing — on used activewear that is the sentence that resolves the buyer’s hesitation, and it is the difference between an enquiry and a sale.

What buyers ask

How do I know if compression kit is worn out?

Stretch it and see whether it snaps back. If it stays loose the elastane has gone, and the garment no longer does what it was bought for.

Can odour be washed out of synthetic sportswear?

Sometimes, with a proper technical wash and no fabric softener. If it persists after that, say so — buyers would much rather know in advance.

How much are Under Armour gym leggings worth?

Roughly £10 to £42 depending on condition, against £10 to £40 for gym leggings 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 Under Armour gym leggings, against what the commission marketplaces would deduct:

Platform	Fee	You keep
Poshmark	−£5	£21
eBay	−£4	£22
Mercari	−£3	£23
Etsy	−£2	£24
WishThrift	−£0	£26

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 gym leggings for the title, handover and timing, or the general gym leggings value guide if yours is not an Under Armour.