Great — here are the best places to look for Y2K “dress‑over‑pants” outfits in Malaysia, split into online, second‑hand/vintage, physical shopping areas, and a few quick search + buying tips.

Online (fast, wide selection)

• Shopee Malaysia — huge variety of new and preloved Y2K pieces (slip dresses, babydoll/ruched minis you can layer). (brandradar.org)
• Lazada / Zalora — good for branded or trend-led new pieces and seasonal Y2K drops. Use filters and “Y2K”, “slip dress”, “mini dress”. (Zalora.com.ph)
• TikTok Shop / SHEIN — lots of affordable Y2K-style dresses and low‑rise/cargo pants you can pair together. (shop-my.TikTok.com)
• Local indie sites/brands — search for Malaysia-based Y2K boutiques (examples: Kovra, Memories Clothing) for curated pieces. (Kovra.com.my)

Second‑hand / vintage (best for authentic Y2K one‑offs)

• Carousell Malaysia — major marketplace for preloved Y2K garments; filter “vintage/Y2K/preloved” and message sellers for measurements. (brandradar.org)
• Curated preloved shops & chains (Refash and similar) — cleaner, inspected second‑hand pieces that are good when you want quality preloved finds. (brandradar.org)
• Depop / international vintage sites — if you don’t mind international shipping for specific labels.

Physical spots & markets (KL hotspot examples)

• Bukit Bintang area: Sungei Wang Plaza, Fahrenheit88, Berjaya Times Square — top youth fashion and thrift stalls where you can hunt slip dresses, minis and low‑rise pants to layer. (brandradar.org)
• Kenanga Wholesale City (KWC Fashion Mall) — lots of small vendors and wholesale stalls where you can find trend pieces to mix‑and‑match. (brandradar.org)

Pop‑ups & events

• Y2K pop‑ups and vintage markets (e.g., REXKL / Digital Decade Y2K market) — follow REXKL and local creative spaces on Instagram for pop‑up dates; great for curated, ready‑to‑wear dress‑over‑pants sets. (baskl.com.my)

How to search and what to buy (quick tips)

• Use a mix of keywords: “Y2K dress”, “slip dress”, “ruched dress”, “babydoll dress”, “micro dress” + “over jeans/pants”, and “layering”. (brandradar.org)
• Look for short slip or babydoll dresses (mini or midi with side slits) and low‑rise straight/cargo/bootcut pants to recreate the classic Y2K silhouette. Ask sellers for flat measurements and model photos. (brandradar.org)
• For preloved purchases: confirm condition, ask for measurements, and check return policy (platform rules vary). (brandradar.org)

Want me to do one of these next?

• Find active Malaysian Instagram boutiques or Carousell listings right now that sell complete dress‑over‑pants looks, or
• Pull a few specific product links from Shopee/TikTok Shop/Zalora for immediate buying options.

Tell me which and I’ll fetch current listings.