Take an Additional 20% off during the Winter Send Sale

WINTERSEND2026
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Castelli Estremo WS Skully Cap - Unisex

geartrade  |  SKU: CHLOE5772
$1800 55% Off

Original price

$4000

Shipping calculated at checkout.
Condition
Good  NEW
Never used. Shows no signs of wear. New items may have the original tags or come in their original packaging.

EXCELLENT
This gear should be like new with very minimal use and wear.

GOOD
This gear is still in good shape. There’s some wear and tear, but has plenty of life left in it. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, and minor but noticeable staining, etc.

FAIR
This gear is still usable and is in OK shape, but shows noticeable signs of wear and tear. Fair condition products likely have cosmetic blemishes throughout such as pilling, lint, animal hair, and dried dirt. Physical damages such as holes, tears, loose stitching, and staining are often found on Fair items. Fair items are valued for function over form.

Free Shipping on Orders $100+*

Free Shipping on Orders $100+

  • Offer valid on products purchased from the sellers Geartrade or Backcountry
  • Not valid on orders shipped to Alaska and Hawaii
  • Not valid on products in the following categories: complete bikes, bike frames, bike wheels, travel cases, kayaks, inflatables, pontoons, SUP's, surfboards,wakeboards, crash pads, windsurf boards, cargo boxes, car racks, skis, snowboards, tents, backpacks and coolers

FAQ's

Are the product photos of the actual items?

  • Yes! Geartrade does not use stock photos on their used gear. What you see, is what you get.
  • Some items in new condition may have stock photos.

Why should I buy used gear?

  • Good gear is built to last, you can save a lot of money and it's great for the planet.

I want to sell gear - what do you accept?

What is your return policy?

  • We offer a generous no-questions-asked 14 day return policy for eligible items. Final sale items are not eligible for return. You have up to 14 days to initiate a return after your order has been delivered. The item needs to be in the same condition we sent it to you (keep those tags on). Our full return policy can be found here: Return Policy

How fast do you ship?

  • Most orders placed before 1pm MST are shipped out that day. We ship Monday-Friday.
Why Geartrade?
  • Items are Hand-inspected by Gear Experts
  • Steep Discounts on Premium Outdoor Brands
  • Over 3 million pounds of gear diverted from landfills since 1999

Imagine the silence of a frosty dawn ride, broken only by the hum of your wheels, the air sharp enough to make you wince. Castelli understands this primal encounter with the elements, crafting the Estremo WS Skully Cap to transform bitter conditions into an invigorating challenge. Inside, a plush lining of Castelli's proprietary Warmer fabric gently traps heat, creating a microclimate of comfort for your head, while strategic dual-layer insulation cradles your ears, a critical defense against frigid temperatures. This low-profile design disappears seamlessly beneath your helmet, ensuring no bulk or uncomfortable pressure points, just consistent, breathable warmth that allows you to extend your season and discover the unique beauty of winter expeditions. 
 
PRODUCT CONDITION
 
This UnNew Castelli Estremo WS Skully Cap - Unisex is in Good condition. 
 
Products in Good condition have been well loved, but still have life left in them. Signs of wear may include pilling, snags, lint, animal hair, dried dirt, minor but noticeable staining, and other cosmetic imperfections. Small tears or holes may be present, but will not affect the functionality of the item. 
 
With this item, the following damages were observed: 

  • Use/age
  • Lint, hair and debris 
  • The specific model has been identified as accurately as possible


    TECH SPECS
  • Brand: Castelli
  • Wind Stopper fabric
  • Cozy head protection against winter's chill
  • Soft fabrics and wind-blocking panels keep you warm
  • Flip-down ear panels increase protection area
  • Streamlined fit tucks neatly under your helmet
  • Material: Windstopper X-Fast, Warmer
  • Style: winter cap
  • Recommended Use: cycling

Not everything needs to be new. Earth matters too.

Wear it Out ™

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