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Castelli Light Head Thingy Black
Castelli Light Head Thingy Silver Grey
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Castelli Light Head Thingy Black
Castelli Light Head Thingy Silver Grey

Light Head Thingy

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The Ultimate In Versatility

Wear the Castelli Light Head Thingy in both the summer and winter to wick sweat and protect against the sun rays and cold wind. No matter if you prefer it around your neck or your head and ears, this ultralight accessory is designed to keep you comfortable whatever the weather.

The Light Head Thingy is a versatile piece of cycling gear that can be used throughout the year and on different parts of your head and neck. The polyester material wicks sweat and allows for a comfortable fit. The seamless continuous-tube construction increases durability while also minimizing any uncomfortable tags or itchy seams. Complete with a sublimated graphic, the unique Castelli Light Head Thingy protects you from the sun's rays while also providing a little extra warmth when you need it.


  • 100% polyester jersey for maximum moisture management
  • Seamless continuous-tube construction
  • Sublimated graphic
  • Summer weight
  • Protects from the sun's rays or provides a little extra warmth on cool days
  • Weighing in at only 45g

  • 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.

    The product weight specified is an approximate weight based on the manufacturer's specifications (if available) or our measurement of one or two examples. For most products, the weight will typically vary by 5% to 10%.


    Weight: 45 g


    Season: Summer 


    Fabric Type: Polyester jersey 


    Mfg PartNum: H4521038010 

    Silver Grey

    Mfg PartNum: H4521038870