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Castelli Men's Uno:Uno Plasma T Shirt Base Layer


Out of Stock


Castelli is a name synonymous with innovation, quality and performance. Their goal is to create the most advanced clothing for the cyclist seeking maximum performance.

Nanotechnology comes to base layers, in this case through a plasma treatment that causes moisture to wick immediately into the fibers and away from the skin.

Key Features:

  • Nano-plasma treated fabric actively moves moisture away from the skin to keep you comfortable.
  • A layer of air next to skin helps moisture transfer, helping to keep you cool and dry.
  • Minimal flatlock seams in an ergonomic, cycling specific cut for maximum comfort.
  • Weight: 129g (Size L, manufacturer claimed).

Product Details


Delivery & Returns

How long will it take to arrive?

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

Please remember to add postal time (2-3 working days) to obtain a complete estimate of delivery to your door.

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.

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Customer Reviews




(5 Reviews)

  • 5    3
  • 4    1
  • 3    1
  • 2    0
  • 1    0

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Nice tshirt

Total :


Only minus point is that the plasma t shirt falls pretty big. I wear a size Small, but it feels rather like a medium. Since a few day its lovely weather up here, an early spring. Even with 22° it cools you down nicely. And with cooler days underneath a jacket it doesnt let you overheat.

10 March 2014 by

Great baselayer

Total :


Great fit, for a change it's quite long so it tucks in nicely. Really good for most days however not quite warm enough for winter

3 October 2013 by


Total :


The Castelli Uno is a great under vest. The plasma treatment worked well and there were no strong smells after a long ride. I'm very happy with it.

14 June 2013 by

Comfortable, but expensive and watch out for fit

Total :


I usually take large (38.5 inch chest 168 pounds), however everyone was saying how tight fitting this jersey was so I went with XL. Though it fits well for a general workout shirt, it was not fitted enough for me to really effectively use it as a baselayer.

I found the XL to be a good close cut fit, however it is just a little loose and way too long. It exceeds the length of the jersey so you need to tuck it in.

The base layer is comfortable, but it does seem very delicate, in my opinion its worth it at a discount but not full retail

7 January 2012 by

great baselayer

Total :


I own two of these and love them, the top is really lightweight and comfortable so you forget you are wearing it but it still keeps you warm. I find the fit is perfect and it looks great as well. I bought this top when PBK had it on offer for about £25 but would pay full price if I had to. perfect!

9 May 2011 by

Castelli Men's Uno:Uno Plasma T Shirt Base Layer

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Castelli Men's Uno:Uno Plasma T Shirt Base Layer