Here are Singapore websites (by category) where you can shop sustainable clothing online, with a short note about what each site offers.

Multi‑brand curated marketplaces / directories

• Earthkind — curated eco & ethical fashion and lifestyle marketplace. (brandradar.org)
• Zerrin (shop.Zerrin.com) — boutique that curates independent sustainable labels and upcycled pieces. (Zerrin.com)
• The Green Collective (thegreencollective.sg) — marketplace/guide for sustainable Singapore brands and products. (brandradar.org)

Homegrown sustainable brands with online stores

• Esse — timeless wardrobe staples made in small batches from Tencel, organic cotton, linen. (krisworld.singaporeair.com)
• Rock Daisy — seasonless pieces in natural fibres (Tencel, cotton), small-batch production. (tatlerasia.com)
• Source Collections — minimalist essentials using Tencel and organic materials; transparent supply chain. (tatlerasia.com)
• Studio Gypsied — batik and traditional textiles remade on EcoVero/Tencel; slow‑fashion approach. (tatlerasia.com)
• Our Barehands, Restore, Graye Studio, Wolf & Byrd, OliveAnkara, etc. — other Singapore slow‑fashion labels selling online. (tatlerasia.com)

Resale / second‑hand / circular options

• Carousell — Singapore’s large C2C marketplace where many people sell pre‑owned clothing (good for thrifted buys). (brandradar.org)
• Local resale shops / thrift marketplaces and pop‑up resale events are also commonly listed on the curated sites above. (harpersbazaar.com.sg)

Regional / international sustainable brands that ship to Singapore

• Many international sustainable brands are available via Singapore stockists or ship to SG; curated lists and local retailers above will often note which labels they carry. (harpersbazaar.com.sg)

Quick tips for shopping sustainably in Singapore

• Look for materials (Tencel, organic cotton, EcoVero, linen, recycled fibers), small‑batch or made‑to‑order production, transparency about factories, and repair/upcycling programs. (tatlerasia.com)

If you’d like, I can:

• Send direct links to a selected subset (e.g., top 10 shops) and note whether they ship within Singapore.
• Or produce a curated short list tailored to your style (workwear, casual, formal) and budget.

Which would you prefer?