From ballet boobs to bustier boobs – the best sports bras for every size

The sports bra scene has come a long way from the days of uncomfortable, unsupportive crops that did nothing for your body or your confidence. These days – thanks to brands like Decathlon - whether you’re running, lifting weights, going to Pilates, or just running errands, there’s a bra for all bodies, busts, and workouts. Think adjustable straps, breathable fabrics, supportive cups, and versatile designs that actually make you want to put them on – whether you’re rocking ballet boobs, big boobs, or anything in between.
With so many options, finding the right one can feel like more work than the workout itself. We’ve done the legwork (and the lunges) to bring you the best Decathlon sports bras that tick every box from HIIT workouts to hot girl walks, that you’ll want to keep wearing well past your cooldown.
1. Best for maximum support and all day comfort
High support adjustable sports bra with cups - $31.99
Built for busy days and big moves, this sports bra pairs built-in cups with adjustable straps so you can tailor the fit to your body. The racerback style and stretchy fabric mean you can twist, lift, and lounge with ease while the breathable material keeps you cool under pressure – whether you’re smashing a workout or smashing your to-do list.
2. Best for low impact workouts
Sports bra with thin cross-over straps - $20.99
As light and breezy as a Sunday morning stroll, this bra is your go-to for gentle activities like walking or stretching. The delicate cross-over straps and stretchy fabric give you freedom of movement without feeling too tight. Plus, the sweat wicking fabric means you can go from mat to matcha run without feeling too sweaty.
3. Best for high impact workouts
High support convertible strap sports bra - $31.99
If you need serious support, this sports bra has you covered. The straps can be worn straight or crossed for extra freedom, and it has a breathable panel to help with sweat. Perfect for runs, HIIT, or anything else that gets your heart pumping. Also, the hook-and-eye back means no post workout wrestling match to get it off.
4. Best for day-to-day comfort
Dynamic yoga sports bra - $31.99
As comfy as your favourite PJs but a whole lot more stylish, this sports bra slips seamlessly from yoga to errands to couch time. It can be worn on its own or under a top and has removable cups, moisture management, and light support – perfect for low-impact workouts or just living your best athleisure life.






















