Made it your New Year's resolution to get fit but have nothing to wear? Stylist.co.uk's resident marathon runner and online assistant Lauren Smith picks the most stylish (and functional) fitness gear to help you work up a sweat in style.
Super stylish and unbelievably lightweight, the Nike Flyknit trainers feel like a second skin.
Love dance-based exercise classes like barrecore, Zumba and aerobics? This slouchy t-shirt is for you.
These Asics ruched tights are extremely versatile - roll them up when you're in the gym, or roll down when outside.
Carry your gym kit in this backpack - it beats a carrier bag, anyway.
Marc by Marc Jacobs backpack, £75, net-a-porter.com
Stella McCartney's adidas range is our go-to for fashionable fitness clothing - we love this lilac jacket from the latest collection.
Lilac jacket, £190 by adidas by Stella McCartney, adidas.co.uk
Wearing a jumper with 'Fun' on it might convince you to hit the gym...
Super-flattering and comfortable, these trousers are perfect for an exercise class.
Spanx Power Pant, £125, spanx.co.uk
I am a bit bias, as I use Asics trainers, but they really are great and last a long time. These are more suited to road runners.
You almost wouldn't guess this is a practical gym bag
With ankle zippers, an iPhone and Blackberry holder, separate key pocket and high visibility details, these are probably the most fashion forward workout leggings I've ever seen.
Keep track of your training with this Nike sportswatch.
NIKE+ SPORTWATCH, £150, nike.com
The bright colour and flattering cut of this top make it ideal for studio work.
This fitness label is a cult favourite in the US - and now it's over here.
Designed to keep rowers warm on the river, this lightweight layer will keep you toasty when exercising outside.
Pineapple's dance gear is affordable and perfect for classes
from £8, pineapple.uk.com
Love Zumba? Show it with this blingy Zumba vest
Does what it says on the tin. This is the best sports bra I've ever used.
This thermal top will keep cyclists and runners warm - and easy to spot on the road.
HPE clothing is designed and developed by Nick Harris, a Human Performance Specialist who has over 20 years experience of working with elite athletes. This top has been designed to reduce chafing and fatigue.