Bike shorts and leggings are made from the same fabrics and sit at the same waistband height. The difference is length — and that difference matters more than it sounds.
The case for bike shorts
Bike shorts win on heat. In an Australian summer, or in any gym without good air conditioning, full-length leggings trap warmth against your legs. Shorts let you train harder for longer before overheating.
They also give you freedom through the knee. For deep squats, lunges and anything with a large range of motion at the knee joint, there's no fabric bunching behind the joint.
Best for: summer training, HIIT, spin, leg day, hot yoga, running in warm weather
Look for an inseam that suits your build — mid-thigh is the most versatile. Our high-waisted biker shorts and high rise yoga shorts both use a nylon-spandex blend that moves without riding up.
The case for leggings
Leggings win on coverage and warmth. In winter, or for early-morning outdoor training, the difference in comfort is significant.
They also solve chafing. If your thighs touch when you run — which is true for most people — full-length leggings eliminate skin-on-skin friction entirely. Bike shorts help, but only if they're long enough and stay put.
And there's the practical point: leggings are more socially versatile. They work for the gym, the commute and the coffee afterwards without a second thought.
Best for: winter training, outdoor running, pilates, yoga, long sessions, everyday wear
Our high-waisted yoga leggings use an 80/20 nylon-spandex blend with a wide waistband that doesn't roll down.
How to choose: five questions
1. What's the temperature?
Above 25°C, shorts. Below 15°C, leggings. In between, it's preference.
2. Do your thighs rub?
If yes, leggings will always be more comfortable for running. Bike shorts work if you choose a longer inseam and a fabric with enough grip.
3. What movement are you doing?
Deep knee flexion — squats, lunges, cycling — favours shorts. Floor work and stretching favour leggings, which stay in place better when you're moving through positions.
4. Are you training outdoors?
Leggings give you sun protection and a barrier against gym equipment, grass and abrasive surfaces.
5. Are you wearing them after?
Leggings transition more easily to everyday wear.
The waistband matters more than the length
Whichever you choose, a high-rise waistband is the difference between adjusting your shorts every five minutes and forgetting you're wearing them.
A wide, high waistband sits above the natural waist, stays put through movement, and doesn't dig in when you bend. This is the single most important feature in both categories — a great pair of shorts with a thin, low waistband will annoy you every session.
Test the fabric before you commit
Do the squat test. Bend into a deep squat in front of a mirror. If the fabric goes sheer, it's too thin — no matter how good it feels standing up.
Also check the recovery: stretch the fabric and let go. It should snap back immediately. Slow recovery means it will bag out at the knees and seat within a few wears.
The honest answer
Most people should own both. Shorts for summer and leg day, leggings for winter and running. If you can only buy one right now, buy for the season you're actually in.
Shop women's bottoms at WTD.