> Quick view: Triumph's Merdeka sale at Mitsui Outlet Park KLIA Sepang (up to 70% off, selected bras and panties from RM50) ended on 31 August 2026. What the store at Lot G23 is running now is a Malaysia Day Special: an extra 15% off when you buy at least 5 items, selected styles, until 30 September 2026. Online, the RM50 bras are still in Triumph's outlet collection, and a Payday Sale on regular-priced items also runs to 30 September.

What is live at the Sepang store: extra 15% off 5 items

Triumph's own artwork on Mitsui Outlet Park KLIA's promotions feed, checked 23 September 2026, reads: Malaysia Day Special, 1st Sep - 30th Sep 2026, G23, Ground Floor. The mechanic is one line: an additional 15% off with a minimum purchase of 5 items. The fine print says selected styles only, while stocks last, terms and conditions apply.

"Additional" is the key word. It is 15% on top of whatever outlet price the tag already shows, not 15% off the original retail price. The mall's listing gives no cap and no member requirement.

How the maths works (illustrative, not a store quote):

  • Five selected pieces tagged RM50 each = RM250. The extra 15% takes off RM37.50, so you pay RM212.50, or RM42.50 a piece.
  • A mixed basket of two bras at RM99 and three panties at RM39 = RM315. The extra 15% takes off RM47.25, so you pay RM267.75.
  • Four items get nothing extra. The threshold is five pieces, so a fifth pair of panties can cost less than the discount it unlocks.

Which styles count is decided at the counter, so ask before you build a basket. This offer did not appear on the mall's feed when this article was last checked on 11 September. The artwork was uploaded around 17 September, even though it dates the promotion from 1 September.

What ended

  • Merdeka Special Sale, 1-31 August 2026: up to 70% off selected lingerie, selected bras and panties from RM50. The same mechanic ran at Triumph's stores in Johor Premium Outlets and Genting Highlands Premium Outlets.
  • Triumph's online 9.9 Sale (9% off, buy 3 get 33% off, extra 5% for members) closed on 15 September 2026 at 11.59pm.
  • The mall's Blooming Merdeka Festival (cashback up to RM50, RM30 and RM80 app e-vouchers, and the Gintell massage-chair draw) closed on 20 September 2026.
  • Carlo Rino and Audrey fairs ended 13 September. Nike Unite ended 9 September.

Online: the RM50 bra is still there

Triumph Malaysia's standing Outlet collection at my.triumph.com/collections/outlet has no published end date. On 23 September 2026 it held 366 products: 315 bras, 44 panties, 5 briefs and 2 shapewear pieces.

  • Bras at exactly RM50: Sloggi Zero Feel Bliss Crop Top (from RM249, 80% off), Style Shell Wired Padded Bra and Style Shell Non-Wired Push Up Deep V Bra (both from RM199, 75% off)
  • One bra below that: Solfege Non Wired Padded Bra at RM48.93, down from RM69.90
  • Only 7 of the 315 outlet bras are under RM60. After the RM50 group the next price step is RM80
  • Panties from RM20: Curves Hipster and Iris Mini (both from RM149), Sloggi Go Vivid Everyday Hipster (from RM39.90), and the deepest cut on the site, a Florale Wild Peony Hipster at RM20 from RM179 (89% off)

The site's banner still says "Up to 70% OFF". The live prices go further than that.

The Payday Sale replaced 9.9, and it still will not stack

Triumph's site now runs a Payday Sale: 9% off, buy 3 get 19% off, and an extra 5% for logged-in members. It ends 30 September 2026, 11.59pm, according to the site's own promotion settings. The buy-3 tier is 19% off. The 9.9 Sale gave 33% on the same mechanic.

It covers selected regular-priced items only. The exclusion list is the same one the 9.9 Sale used: sale and outlet stock, multi-packs, new arrivals, purchase-with-purchase items and five named styles, including the classic Doreen Non Wired Bra (10001686) and four Solfege codes. The 820-item Payday listing and the 366-item outlet collection share zero products. Pick one lane.

For example, three Tri-Zone 2.0 Non-Wired Padded Bras at their regular RM189 = RM567. The buy-3 tier takes 19% off, which is RM107.73, and you pay RM459.27 before any member extra. New members also get a RM25 welcome discount on the first online order, per the site's sign-up banner.

What the mall is running around it

Most of these need the free Mitsui Shopping Park MY App and are claimed at the Information Counter, Sunshine Square:

  • Instant Cashback Reward, 23 September - 4 October 2026, 12pm-8pm: spend RM350-RM649 for a RM20 cash voucher, RM650-RM949 for RM30, RM950 and above for RM50, across a maximum of two receipts. Lingerie does not count: only the listed beauty, optical, timepiece and jewellery outlets (Pandora, Swarovski, Sasa, Bath & Body Works, Casio and others).
  • Islamic Tourism Month: spend RM300 across a maximum of two receipts at any outlet, Triumph included, for a digital luggage scale. Only two dates remain: 26 and 27 September, 12pm-8pm.
  • Double Asia Miles, to 30 September: double Cathay Asia Miles for every RM5 spent in a single transaction. Show your membership ID and same-day receipts at the counter.
  • Payday Reward, to December 2026: a free RM10 e-voucher on a RM20 spend at participating outlets, one per app member.
  • Two hours' free parking for app members spending RM100 on up to two receipts. There is also a Batik Air offer to 30 November and an AirAsia passenger offer to 19 October.
  • Tenant fairs to 27 September: Tuff, Tefal, Lacoste, Voir and The Travel Store.

Passport holders can also collect the free Tourist Privilege Pass at the Ground Floor Information Counter. Triumph is on its participating-outlet list.

Getting there

The free shuttle loops from the mall to klia2, then KLIA Terminal 1, then back. The first departure from the mall is 08:20 and the last is 22:40. Buses leave every 20 minutes, with 40-minute gaps after the 12:00, 13:00, 18:00 and 19:00 departures. klia2 is 10 minutes away and Terminal 1 about 20. Parking is RM2 per hour for cars and free for motorcycles. The mall opens 10am to 10pm daily at Persiaran Komersial, 64000 KLIA, Sepang (03-8777 9300). Its old domain, mitsuioutletparkklia.com.my, no longer resolves. The live site is mitsui-shopping-park.com.my/MOPKLIA.

Who should go, and who should skip

Go if you can use five pieces at once, such as a restock of everyday bras and panties. The extra 15% only pays off at that volume. It works better still if you are flying out of KLIA anyway, or can shop on 26 or 27 September and clear RM300 for the luggage scale.

Shop online instead if you want one or two items. A single RM50 outlet bra costs the same online with no five-piece threshold. For regular-priced styles, three pieces in the Payday Sale get 19% off.

Skip the Sepang trip if you are hoping for other lingerie deals there. Wacoal, Sorella, La Senza, Victoria's Secret, Pierre Cardin Lingerie, Jockey and Young Hearts have nothing on the mall's feed this month.

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*Cover image: Mitsui Outlet Park KLIA Sepang landmark signage, photo by angys via Wikimedia Commons (CC BY-SA 4.0).*