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Castelli Thermoflex Arm Warmers - Black


Out of Stock
View Size Guide
Castelli Men's Clothing Size Guide
  S M L XL 2XL 3XL
Chest (cm) 92 96 100 105 110 115
Waist (cm) 80 84 88 93 98 103
Hips (cm) 94 98 102 107 112 117
Inseam (cm) 82 83 84 85 86 87


Castelli Shoe Cover Size Guide
  S M L XL 2XL
Men's/Women's EU Size 39-40 41-42 43-44 45-46 47-48


Castelli Men's Socks Size Guide
  S/M L/XL 2XL
Men's Shoe Size (EU) 35-39 40-43 44/47


Castelli Gloves Size Guide
Men/Women <17cm 17-20cm 20-23cm 23-25cm 25-27cm >27cm



Thermal arm warmer designed by Castelli. This sleek, minimalistic arm warmer combines technical fabrics with precise design, to create a comfortable yet efficient cycling accessory.

The arm warmer is constructed using 'Thermoflex' fabric, which helps provide a soft, comfortable fit that also provides the necessary warmth for training in cold conditions. The arm warmer also sports stretchy, elastic properties, granting a greater level of both comfort and flexibility during periods of peak performance.

The 'Thermoflex' arm warmer is also bolstered by the addition of a microfibre gripper elastic top, for a more secure fit. - O.S.

Key Features:

  • Castelli Thermoflex Arm warmer
  • Thermoflex fabric
  • Microfibre gripper
  • Sublimated Castelli word mark

Technical Specification:

  • Colour: Black/Red
  • Weight: 104g

Product Details

  • Thermoflex
  • Castelli
  • Black/Red

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

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.




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nice and warm

Total :


i bought these in a large, me being 6ft and sitting at 190 pounds im not a light guy. Trying them on they were very nice and warm. They weren't too tight around my arms and they were quite stretchy. They came up all the way to my arm pits, but no problem, extra warmth.

Fri Jan 30 19:34:17 GMT 2015 by

Castelli Thermoflex Arm Warmers - Black

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Castelli Thermoflex Arm Warmers - Black