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Product Images

Castelli Unlimited 18 Sock  Goldenrod/Rich Red
Castelli Unlimited 18 Sock  Black/Silver Moon
Castelli Unlimited 18 Sock  Silver Moon/Orange Rust
Castelli Unlimited 18 Sock
Castelli Unlimited 18 Sock
Goldenrod/Rich Red
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Castelli Unlimited 18 Sock  3
Castelli Unlimited 18 Sock  1
Castelli Unlimited 18 Sock  2
Castelli Unlimited 18 Sock  4
Castelli Unlimited 18 Sock  5

Castelli Unlimited 18 Sock

Pricing and Order Section

Mfg PartNum:
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pr. $19.99
MSRP: $19.99
In Stock Now
This color/size is not eligible for Podium Club points
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The Castelli Unlimited 18 is a performance sock with extra cushion for added comfort.


  • Q Skin yarns with antimicrobial silver ions to reduce odor
  • Mesh cuff for breathability
  • Compression cuff to keep sock in place
  • Extra cushion on footbed for added comfort on long rides
  • Arch support
  • 18 cm height
  • Weight: 50g

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Size Chart

Shoe Size35-3940-4344-47   


Black/Silver Moon - S/M

Mfg PartNum: R4524036010-2 

Black/Silver Moon - L/XL

Mfg PartNum: R4524036010-4 

Black/Silver Moon - 2X-Large

Mfg PartNum: R4524036010-6 

Silver Moon/Orange Rust - S/M

Mfg PartNum: R4524036053-2 

Silver Moon/Orange Rust - L/XL

Mfg PartNum: R4524036053-4 

Silver Moon/Orange Rust - 2X-Large

Mfg PartNum: R4524036053-6 

Goldenrod/Rich Red - S/M

Mfg PartNum: R4524036755-2 

Goldenrod/Rich Red - L/XL

Mfg PartNum: R4524036755-4 

Goldenrod/Rich Red - 2X-Large

Mfg PartNum: R4524036755-6 

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