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What should you wear for indoor cycling?

Updated 2026-10-23 · Comfort, heat and the practical stuff

Short answer

Far less than outdoors: bib shorts with a good pad, and either nothing on top or a light, loose vest. Skip base layers, skip long sleeves, and use a sweatband if sweat runs into your eyes. Never re-wear shorts from a previous session.

Start from "almost nothing"

Outdoor cycling kit is designed to keep heat in and weather out. Indoors you want the opposite, and the single biggest mistake is dressing as though you are going outside.

A sensible indoor kit list:

Bib shorts with a decent pad. The one thing that genuinely matters.
Either nothing on top, or a loose, light vest. A tight technical top traps a wet layer against you and stops evaporation.
Cycling socks, thin ones.
Your normal shoes, or old ones kept for the turbo.

That is the whole list. Everything else is optional and most of it is counterproductive.

Why a base layer is wrong indoors

A base layer works outdoors by moving sweat away from your skin to where it can evaporate, and by holding a thin layer of warm air.

Indoors, neither helps. There is no cold to insulate against, and the sweat has nowhere to evaporate to anyway. All you have added is a soaked layer sitting against your skin, which stops the fan reaching you and makes the cooling problem worse.

The same goes for arm warmers, long sleeves and anything windproof. If you are cold at the start, warm up for five minutes rather than putting a layer on.

The small things that make a real difference

A sweatband or cycling cap if sweat runs into your eyes. Surprisingly transformative on hard sessions.
A towel on the bars for your face as well as to protect the bike.
Chamois cream, because the pad saturates and friction climbs.
Fingerless mitts if your hands slip on wet bar tape, though many people prefer bare hands with a towel.
Two pairs of shorts so you never have to re-wear a pair.

Hygiene, which matters more indoors

This is less fussy than it sounds and it prevents a genuinely miserable problem.

Never re-wear shorts without washing them. Indoor shorts get far wetter than outdoor ones and sit in a warm damp heap afterwards.
Get changed promptly. Sitting in soaked kit while you have a coffee is the classic route to a saddle sore.
Wash kit properly and let it dry fully. Damp stored kit breeds the bacteria that cause skin problems.
Shower reasonably soon, particularly after long sessions.

If you do develop a sore, give it time off rather than riding through it, and see a GP if it does not settle or looks infected.

Common questions

Can I ride indoors in normal gym shorts?

For a short easy session, yes. For anything over about half an hour, a proper cycling pad makes a large difference to comfort.

Do I need indoor-specific cycling kit?

No. Ordinary bib shorts are fine. Products sold as indoor-specific are mostly lighter and more breathable, which is pleasant but not essential.

Should I wear shoes or can I ride in trainers?

Cycling shoes with cleats are better for a connected pedal stroke, but flat pedals and trainers are perfectly workable, especially when starting out.

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