Icebreaker Sphere baselayer review

We've tested Icebreaker's Sphere top. Although billed as a tee shirt it serves well as a cycling baselayer too

Cycling Weekly Verdict

The Icebreaker Sphere top is a comfortable performance part-merino baselayer which is good for more casual use too

Reasons to buy
  • +

    Comfortable

  • +

    Lightweight

  • +

    Very soft

  • +

    Odour resistant

  • +

    Multi-use

  • +

Reasons to avoid
  • -

    Not as close fitting as more performance-oriented baselayers

You can trust Cycling Weekly. Our team of experts put in hard miles testing cycling tech and will always share honest, unbiased advice to help you choose. Find out more about how we test.

New Zealand’s Icebreaker was one of the original proponents of merino clothing for outdoor activities and claims that it chooses the best quality wool from that country’s Southern Alps. Coming from the merino sheep whose wool is very fine, merino is non-itchy, odour resistant, warm and breathable.

>>> Ten essential pieces of kit advice every new cyclist needs to know

Thank you for reading 20 articles this month* Join now for unlimited access

Enjoy your first month for just £1 / $1 / €1

*Read 5 free articles per month without a subscription

Join now for unlimited access

Try first month for just £1 / $1 / €1

Paul Norman

Paul started writing for Cycling Weekly in 2015, covering cycling tech, new bikes and product testing. Since then, he’s reviewed hundreds of bikes and thousands of other pieces of cycling equipment for the magazine and the Cycling Weekly website.

He’s been cycling for a lot longer than that though and his travels by bike have taken him all around Europe and to California. He’s been riding gravel since before gravel bikes existed too, riding a cyclocross bike through the Chilterns and along the South Downs.