When you purchase through links on our site, we may earn an affiliate commission.

Reviews Review: Met Sine Thesis bike helmet

Review: Met Sine Thesis helmet

Innovative features and great ventilation, but at a price

Take a look inside the Sine Thesis and you can see that Met have tried to do something a little different – there are gel pads on the various contact points instead of fabric padding. It’s a nice idea, but we found that it gives a slightly harder feel internally, especially on the top of the head, which took a bit of getting used to.

However, the gel pad on the forehead is really nice and doesn’t absorb sweat, which makes it very comfortable on long rides. It does size up small – we tested the Sine Thesis in L, which meant that it came in at a hefty 290g.

The ratchet is easy to operate, the retention system has three up/down adjustment heights, but the real stand out on this helmet is ventilation. It’s fantastic. You stay cool no matter how hot it gets.

For news and reviews of all the latest tri kit, head to our Gear section


Contact : www.met-helmets.com

Profile image of Mike Anderson Mike Anderson


Mike Anderson was 220 Triathlon's staff writer between 2011 and 2014.