KAKAIYS
KAKAIYS
The Journal

Notes from the maison.

Long reads on leather, fit, style and the quiet heritage of the jacket — written by the people who make them.

How to Clean and Maintain Every Type of Leather: The Complete Type-by-Type Guide
Care Guide · 18 min read

How to Clean and Maintain Every Type of Leather: The Complete Type-by-Type Guide

Full-grain, top-grain, suede, nubuck, nappa, lambskin, patent, exotic, oil-pull-up, bonded — every leather demands a different hand. The maison's exhaustive type-by-type manual for cleaning, conditioning, drying, storing and rescuing each one.

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The Complete Leather Jacket Care Guide: How to Clean, Condition and Restore Every Type of Leather
Care Guide · 14 min

The Complete Leather Jacket Care Guide: How to Clean, Condition and Restore Every Type of Leather

From full-grain to suede, nubuck to lambskin — the definitive maison manual for cleaning, conditioning, drying and restoring leather jackets so they outlive trends, weather and even the wearer.

A History of the Leather Jacket: From Aviator Cockpits to Cultural Icon
Heritage · 12 min

A History of the Leather Jacket: From Aviator Cockpits to Cultural Icon

The leather jacket was born of necessity in the cockpits of First World War pilots. A century later it remains the most quietly powerful garment in any wardrobe. This is its full story.

How to Style a Leather Jacket: A Women's Guide for Every Body, Every Occasion
Style · 11 min

How to Style a Leather Jacket: A Women's Guide for Every Body, Every Occasion

From silk slip dresses to tailored trousers, the office to a wedding — fifteen ways modern women wear leather, with advice for every shape, season and setting.

The Best Leather Jackets in the World: A Maison's Guide to Heritage, Cuts and Craft
Heritage · 13 min

The Best Leather Jackets in the World: A Maison's Guide to Heritage, Cuts and Craft

From Schott in New York to Aero in Scotland, Lewis Leathers in London to Real McCoy's in Kobe — the houses still making leather jackets the way they should be made.

How to Care for Your Leather — A Lifetime Manual
Care Guide · 6 min

How to Care for Your Leather — A Lifetime Manual

Treated with patience, full-grain leather only grows more beautiful with age. Here is the slow ritual we follow at the maison.

How to Choose the Right Size — The Maison's Fit Guide
Fit Guide · 5 min

How to Choose the Right Size — The Maison's Fit Guide

A jacket that fits is the difference between a garment and an heirloom. Here is how we measure, and how we recommend.

Millennial Women in Leather — A New Tailoring
Style · 7 min

Millennial Women in Leather — A New Tailoring

The women rewriting what a leather jacket can be. From the boardroom to the gallery opening, leather is no longer borrowed from the boys.

Leather as a Symbol of Freedom — From Aviator to Outlaw
Heritage · 8 min

Leather as a Symbol of Freedom — From Aviator to Outlaw

How a coat designed to keep early pilots warm at altitude became the most enduring symbol of personal freedom in modern dress.

Leather FAQ: 30+ Questions Answered by Leather Artisans
Knowledge · 22 min

Leather FAQ: 30+ Questions Answered by Leather Artisans

Everything you have ever wanted to know about leather — sourcing, sustainability, grades, tanning, care, repair and more — answered by the craftspeople who work with it every day.

Leather Grades Explained: Full-Grain, Top-Grain, Genuine and Bonded — A Complete Comparison
Knowledge · 12 min

Leather Grades Explained: Full-Grain, Top-Grain, Genuine and Bonded — A Complete Comparison

Not all leather is created equal. This is the definitive guide to understanding leather quality grades — what they mean, how they differ, and why the terminology matters when you are investing in a piece that should last decades.

Real Leather vs Vegan Leather: An Honest Comparison of Durability, Sustainability and Ethics
Knowledge · 14 min

Real Leather vs Vegan Leather: An Honest Comparison of Durability, Sustainability and Ethics

Synthetic, plant-based, or animal hide — every material tells a different story. We examine the full lifecycle of each, without agenda, so you can make an informed choice.

Is Leather Sustainable? Facts, Myths and What to Look For
Sustainability · 11 min

Is Leather Sustainable? Facts, Myths and What to Look For

Separating fact from marketing in the sustainability debate. A clear-eyed look at leather's environmental footprint, the certifications that matter, and how to make a responsible choice.

How to Spot High-Quality Leather: A Buyer's Guide That Saves You Money
Buyer's Guide · 10 min

How to Spot High-Quality Leather: A Buyer's Guide That Saves You Money

Five sensory tests, three label red flags, and one rule that never fails. Everything you need to distinguish heirloom-grade leather from marketing-grade leather — before you hand over your card.

How to Clean and Condition Leather: A Step-by-Step Guide for Every Leather Type
Care Guide · 13 min

How to Clean and Condition Leather: A Step-by-Step Guide for Every Leather Type

The definitive care routine for smooth leather, suede, nubuck and exotic skins — from daily wiping to seasonal conditioning to emergency stain removal. Written by the people who make the leather.