Chrome-free tanning, and who should care

What tanning does

Raw hide rots. Tanning converts it into leather by binding the collagen so it stays flexible and does not decompose. The industry standard method uses chromium salts, usually chromium sulphate. It is fast, cheap and produces soft leather, which is why most gloves on any shelf are chrome tanned.

What chrome-free means on these listings

Chrome-free tanning uses other agents, typically vegetable tannins or synthetic organic compounds, to do the same job without chromium. Fioretto applies it across most of the winter glove range and states it on the listing. The leather comes out slightly firmer at first and breaks in over a few wears.

Who it matters to

• Anyone who reacts to leather. Contact dermatitis from gloves is usually a reaction to residual chromium, not to the leather itself. Remove the chromium and the reaction generally goes with it. If your hands have gone red and itchy in leather gloves before, this is the range to try.
• People who wear gloves for hours. Chrome-free leather stays breathable, which matters more than it sounds when a wool lining warms your hands inside a car and the moisture has to go somewhere.
• Anyone thinking about disposal. Chromium-tanned scrap is a waste-handling problem. Chrome-free is not.

What it does not change

Chrome-free does not mean warmer, more waterproof or longer-lasting in any general sense. Warmth comes from the lining, water resistance comes from the finish, and durability comes from the hide and the stitching. Treat chrome-free as a comfort and skin-contact decision, not as a quality grade.

Care is slightly different

Vegetable-tanned and chrome-free leathers darken more readily when they get wet and are less tolerant of aggressive conditioners. Let a wet pair dry away from a radiator, at room temperature, with the fingers gently pulled back into shape. Skip the silicone-heavy leather sprays. A light neutral leather cream twice a season is plenty.