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KAY-JEN is a Singapore-based bespoke menswear tailor founded and named after head pattern drafter, Matthew Lai Kay-Jen in 2014.

The idea for KAY-JEN was born with a simple philosophy in mind: elegance in subtlety. Heavily influenced by a signature aesthetic of soft tailoring and summer elegance, every article is balanced with traditional detail and modern sensibility for a refined timelessness meant to be worn in years to come.

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Here, we take pride in the lengths we’d go for detail - Considering fit with your lifestyle and preferences; quality fabrics sourced from reputable mills; and constructions personally patterned then pieced by specialised craftsmen - all for a one true fit.


The hallmark of all our articles is in our blueprint. We’re here to prove that style is a quality that’s inextricably woven to workmanship & we proudly stand by our blueprints - whether it’s Bespoke, Made-to-Order or Ready-to-Wear.