Shoe Trees: Cedar vs. Plastic, Why They Matter
A simple foot-shaped insert that absorbs moisture, holds shape, and quietly adds years to a good pair of shoes.
By Ambrogio Shoes Editorial, in consultation with Ambrogio's Spain-based shoemaking team
· Updated July 9, 2026
A shoe tree is a foot-shaped insert placed inside a shoe when not being worn, helping the leather dry in its proper shape and reducing the formation of deep, permanent creases across the vamp. Cedar shoe trees additionally absorb moisture and odor while releasing a mild natural scent that helps deter insects, making them the generally preferred choice over plain plastic shoe trees, which primarily help with shape retention alone without the added moisture and odor benefits.
A Simple Insert, a Real Job
A shoe tree is placed inside a shoe whenever it's not being worn, helping the leather dry and settle back into its proper shape rather than the creased position it was in during wear. Over time, this meaningfully reduces the formation of deep, permanent creases across the vamp.
Why Cedar Is the Preferred Material
Cedar shoe trees do everything a plastic shoe tree does for shape retention, but add genuine practical benefits: absorbing moisture from the day's wear and releasing a mild natural scent that helps deter insects. Plastic shoe trees, by comparison, offer shape support alone.
Getting the Timing and Fit Right
Inserting a shoe tree right after removing the shoes, while the leather is still slightly warm and pliable, gets the best results. A well-fitted tree matching the shoe's approximate size and volume is also important — an ill-fitting one won't hold shape as effectively.
Frequently Asked Questions
Are cedar shoe trees really better than plastic ones?
For most quality leather shoes, yes — cedar's additional moisture absorption and mild odor-deterring scent offer real practical benefits beyond simple shape retention, which is the only thing a basic plastic shoe tree typically provides.
When should I put a shoe tree in after wearing shoes?
Ideally right after taking the shoes off, while the leather is still slightly warm and pliable from wear, allowing it to dry and set into the proper shape rather than settling into whatever creased position it was in when removed.
Do shoe trees actually prevent creasing entirely?
Not entirely — some natural flex-crease at the point where the shoe bends during walking is normal and expected, but a shoe tree meaningfully reduces the depth and permanence of creasing compared to shoes left unsupported.
Does a shoe tree need to fit a specific shoe exactly?
A well-fitted shoe tree that matches the shoe's approximate length and volume works best; an ill-fitting shoe tree, too small or too large, won't hold the shape as effectively or may even stress the leather in the wrong places.
Sources & further reading:
The Shoe Snob — Shoe Care Guide: https://www.theshoesnobblog.com/
