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.
Stylish Gym gear: Nike Flyknit
Super stylish and unbelievably lightweight, the Nike Flyknit trainers feel like a second skin.
Stylish Gym gear: Sweaty Betty Barre Dance T-Shirt
Love dance-based exercise classes like barrecore, Zumba and aerobics? This slouchy t-shirt is for you.
Stylish Gym gear: Asics leggings
These Asics ruched tights are extremely versatile - roll them up when you're in the gym, or roll down when outside.
Stylish Gym gear: Marc Jacobs backpack
Carry your gym kit in this backpack - it beats a carrier bag, anyway.
Marc by Marc Jacobs backpack, £75, net-a-porter.com
Stylish Gym gear: adidas by Stella McCartney
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
Stylish Gym gear: Zoe Karrsen jumper
Wearing a jumper with 'Fun' on it might convince you to hit the gym...
Stylish Gym gear: Spanx Power Pant
Super-flattering and comfortable, these trousers are perfect for an exercise class.
Spanx Power Pant, £125, spanx.co.uk
Stylish Gym gear: Asics trainers
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.
Stylish Gym gear: Anya Hindmarch Gym bag
You almost wouldn't guess this is a practical gym bag
Stylish Gym gear: Yogiwear t-shirt
The perfect t-shirt for yoga aficionados.
Stylish Gym gear: Lucas Hugh top and leggings
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.
Stylish Gym gear: Nike watch
Keep track of your training with this Nike sportswatch.
NIKE+ SPORTWATCH, £150, nike.com
Stylish Gym gear: Hot Squash Monochrome T-Shirt
The bright colour and flattering cut of this top make it ideal for studio work.
Stylish Gym gear: Lulemon shorts
This fitness label is a cult favourite in the US - and now it's over here.
Stylish Gym gear: Crewroom long sleeved running top
Designed to keep rowers warm on the river, this lightweight layer will keep you toasty when exercising outside.
Stylish Gym gear: Pineapple top and leggings
Pineapple's dance gear is affordable and perfect for classes
from £8, pineapple.uk.com
Stylish Gym gear: Zumba vest top
Love Zumba? Show it with this blingy Zumba vest
Stylish Gym gear: Ultimate gym bra shock absorber
Does what it says on the tin. This is the best sports bra I've ever used.
Stylish Gym gear: Pearl Izumi Thermal top
This thermal top will keep cyclists and runners warm - and easy to spot on the road.
Stylish gym gear: Black collared compression top
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.