5 pieces of swim kit you should be using

We Heart Living – Speedo Biofuse Fitness Fin

The technique boosters

OK, they look a little intimidating, but once you’ve given these babies a whirl, you won’t got back. If you’re serious about upgrading your swimming technique – and you should be if you’re planning to smash that triathlon! – the handy Speedo Biofuse Fitness Fin will help to build stronger legs and more flexible ankles to boost your kicking power and improve your body posiiton in the water.

£15.30, simplyswim.com