B’Twin 700 Warm Weather Mesh baselayer review

Many people associate baselayers with insulation and cold weather, however a good summer baselayer can also enhance your comfort in warm weather too. The B'Twin 700 Warm Weather Mesh baselayer is one of the most affordable out there.

Cycling Weekly Verdict

Not as refined as premium brands, but the B’Twin 700 Warm Weather Mesh baselayer does its job and you cant argue with the price.

For
  • +

    Cheap and cheerful

  • +

    Does the job

Against
  • -

    One size fits all wont suit everyone

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    Not as comfortable as some more expensive brands

Decathlon has a great reputation for great value products. But, does the low price correspond with poor quality? I'm happy to report that with the B’Twin 700 Warm Weather Mesh baselayer it doesn’t.

>>> See the Van Rysel RC500 mesh base layer at Decathlon for £9.99

I have tested many baselayers, used by professional teams, including those from the likes of Rapha and Castelli. However it may surprise you to here that the B’Twin 700 Warm Weather Mesh baselayer is also used by a WorldTour team in the shape of FDJ.

>>> Buyer's guide to summer clothing

The B’Twin 700 Warm Weather Mesh baselayer layer is a single piece, seamless construction with one size fits all sizing. It weighs slightly more than competing products from Castelli and Rapha, but this doesn’t translate to a hotter garment, with the open mesh design that allowing plenty of air in. I found the fit to be pretty good, with the fabric providing excellent stretch.

>>> Buyer's guide to summer cycling jerseys

Regarding fit, it is slightly too long on me, to be optimum and the fabric doesn’t feel quite as soft as some more expensive brands. However, these are minor niggles that I can live with, especially when the low price is considered. As you would hope and expect, the quality of finish and materials are superior on Rapha or Castelli baselayers, but at £35 more in the case of Rapha, it should be. However there isn’t much in it and for those not wanting to spend premium prices the B’Twin 700 Warm Weather Mesh baselayer is a great product.

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Oliver Bridgewood - no, Doctor Oliver Bridgewood - is a PhD Chemist who discovered a love of cycling. He enjoys racing time trials, hill climbs, road races and criteriums. During his time at Cycling Weekly, he worked predominantly within the tech team, also utilising his science background to produce insightful fitness articles, before moving to an entirely video-focused role heading up the Cycling Weekly YouTube channel, where his feature-length documentary 'Project 49' was his crowning glory.