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Castelli Core Mesh 3 SS



This is our base layer for the warmest conditions. The mesh is open to create a space on the skin for sweat to evaporate.

The 10% elastane content makes it very stretchy and helps in the moisture retention so that you're always getting evaporative cooling.


Our lightest and airiest base layer wicks moisture away from your skin, while the open mesh helps hold the jersey up and away from the skin. It's good for warm conditions, and some riders even like it on a hot day, as it allows airflow between the jersey and skin.


  • Magic Mesh 90% polyester, 10% Elastane wicking fabric
  • Minimalist lightweight construction
  • Reduced seams for maximum comfort
  • 20°-30°C / 68°-86°F
  • Weight:88g
  • Road
Cycling Clothing Fit:
  • Regular Fit
  • Race Fit
  • 16°C to 20°C
  • 21°C to 25°C
  • 26°C +
  • AW22
  • Castelli

How long will it take to arrive?

Please check the stock availability notice on your item when placing your order. This item is:

How will I know it has been sent?

You will receive an email to confirm when your item has been sent.

You can also check the status of your order and individual items by accessing My Account details and following the prompts.

Please allow 10 working days from dispatch of your order before notifying us of any late deliveries.

It may be advisable to check with your neighbours to see if a parcel has been left with them, check any outhouses you might have where it may be left if it cannot fit through your letterbox and contact your local sorting office to see if the item has been returned to the depot as undelivered and awaiting collection.

If I'm not completely happy with my item?

Please see our returns policy.

Customer Reviews

Overall Rating : 5.0 / 5 (5 Reviews)
  • 5 5 star reviews
  • 0 4 star reviews
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Top Customer Reviews

Where reviews refer to foods or cosmetic products, results may vary from person to person. Customer reviews are independent and do not represent the views of The Hut Group.

Warm mesh

Fantastic base layer. Couldn’t believe how a mesh shirt could keep me so warm. I bought the Large/extra large option as Castelli are designed for small people. I wear a large jersey with other brands and this shirt is snug.

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Castelli core mesh 3 short sleeve baselayer

Placed the order, 48 hours later parcel arrived!! Great bit of kit as usual from Castelli Many thanks to all for such good service Mike (Haycock)

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Castelli mesh base layer

Castelli is what Castelli is & this base layer is exactly what you'd expect of the brand. Sizes (for an Englishman) are always on the smaller side so make sure you order bigger than you think as it'll probably be a better fit. Excellent wicking qualities keep you dry whilst the base layer has kept me warm on spring rides & cool in the warmer weather. You get what you pay for certainly rings true with this quality garment. A+

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Castelli cool

This vest looks good and does the job perfectly. I usually buy large being 180cm and 70kgs in racing trim - perfect fit and length. I've used it in a spinning class to save my blushes under bib shorts - Great comfort in what is a very intense class. Back on the road under a merino wool long sleeve top it definitely moves your sweat away from the skin so you feel comfortable on a fast paced winter ride in full Castelli sub zero kit . Looking forward to testing it on the climb up Sa Collobra in May - the heat between the rocks can break your will and I think this vest will do the trick.

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Great shirt to stay cool

I currently just cycle at the gym. I burn between 900-1000 calories in an hour, so it gets pretty hot and sweaty; since I am in the gym I don't wear a jersey, so I wear this under a t-shirt which comes off. This does a great job of keeping the sweat off and keeping me cool; I hate the feeling of sweat running down.

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