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Hot yoga — whether it's Bikram, hot vinyasa, or infrared yoga — takes place in studios heated to 35–42°C. What you wear in a regular yoga class is often completely wrong for a hot studio. The wrong clothing traps heat, becomes heavy with sweat, and turns a challenging practice into a genuinely uncomfortable one.
Here's exactly what to wear for hot yoga — the fabrics, styles, and specific pieces that will keep you comfortable, covered, and moving freely at high temperature.
The Hot Yoga Clothing Challenge
In a heated studio, your body produces significantly more sweat than in a regular yoga class. At peak heat, you can lose 1–2 litres of fluid in a single 60-minute session. This creates a specific set of clothing challenges that regular yoga gear doesn't address:
Opacity under extreme sweat: Many leggings that are squat-proof in a regular class become see-through once fully saturated with sweat. Hot yoga requires fabric with a genuinely dense weave that maintains opacity even when completely wet.
Weight and drag: Fabrics that absorb water (cotton, certain blends) become heavy and restrictive when wet. In a 60-minute hot yoga class, you need fabric that moves moisture away from your skin and dries quickly rather than absorbing it.
Friction and chafing: Heat and sweat magnify any friction point. Seams that are barely noticeable in a regular class can become painfully irritating over 60 minutes in a hot studio.
The Best Fabrics for Hot Yoga
Nylon-spandex blends: The gold standard for hot yoga. Nylon is naturally moisture-wicking, dries quickly, and crucially — maintains opacity even when wet. A high-quality nylon-spandex blend with 20%+ elastane will move sweat away from your skin and dry fast enough that you won't feel the weight of it accumulating. It also maintains its compression and shape throughout the class.
Polyester-spandex blends: Excellent moisture-wicking and quick-drying, slightly more breathable than nylon. Some people find polyester feels slightly cooler in extreme heat. The trade-off is that polyester is slightly more likely to hold odour after repeated hot yoga sessions — wash inside-out and air-dry.
Avoid cotton: Cotton absorbs moisture rather than wicking it. In a hot studio, a cotton top becomes a wet, heavy weight against your skin within the first 15 minutes. Avoid for any practice involving significant sweat.
Our full guide to activewear fabrics covers all the technical details of which materials perform best in different conditions.
What to Wear: Specific Pieces for Hot Yoga
Bottom half: High-waist leggings in nylon-spandex are the most popular choice. They stay in place through all poses and maintain opacity even when wet. If you run very hot, 7/8 or cropped leggings allow more air to the lower leg. Some practitioners prefer shorts — this works well if you're comfortable in inversions and don't mind exposed skin against a shared mat.
Top half: Less is more. A supportive sports bra worn as a top is the most popular choice for hot yoga — it minimises fabric against your body and maximises heat release. If you prefer more coverage, a fitted cropped tank in moisture-wicking fabric works well. Avoid anything with a loose hem that will cling when wet.
What to bring: A large towel to place over your mat (essential — your mat will become slippery), a second small towel for your face, and at least 750ml of water. Some practitioners bring electrolyte tablets for longer or more intense sessions.
Hot Yoga Studio Etiquette
Hot yoga studios have specific etiquette around clothing, hygiene, and behaviour. Always arrive early — entering a hot class mid-session disrupts temperature regulation for everyone. Keep your towel fully on top of your mat throughout the class. Shower before class if possible, or at least avoid strong perfume — in a heated, enclosed space, scents are amplified significantly. Bring a change of clothes for afterwards — you will be wet, and you'll want to change before leaving the studio.
Stay cool and covered — hot yoga gear that performs when it matters.
Frequently Asked Questions About Hot Yoga Clothes
What should you wear to hot yoga?
Wear minimal, moisture-wicking, quick-drying activewear. High-waist nylon-spandex leggings and a supportive sports bra are the most popular choice. Choose fabric that maintains opacity when wet and dries quickly. Avoid cotton — it absorbs sweat and becomes heavy. Bring a large mat towel, a small face towel, and plenty of water.
Do leggings become see-through in hot yoga?
Low-quality leggings can become see-through when fully saturated with sweat. High-quality nylon-spandex leggings with a dense weave maintain opacity even when wet. Before buying hot yoga leggings, check the squat test and confirm the fabric is rated as squat-proof — this usually indicates sufficient opacity under stretch and sweat.
Is hot yoga safe to do regularly?
Hot yoga is safe for most healthy adults when practised with proper hydration. Drink at least 500ml of water before class, bring 750ml+ to the studio, and rehydrate after. Be aware of signs of heat exhaustion: dizziness, nausea, or feeling faint. Beginners should start with shorter or lower-temperature sessions and build gradually.
Do you need a special mat for hot yoga?
A standard yoga mat becomes dangerously slippery when wet with sweat. A hot yoga mat or a high-quality mat towel placed over your regular mat is essential. Many hot yoga practitioners use a combination: a regular mat underneath for cushioning and grip base, and a full-length mat towel on top for traction when wet.
