

The Gregge Sock features pure Merino wool blended with modern fabrics to create an easy to care for wool winter cycling sock with suave styling. Based on the original Gregge sock but with 3cm of additional cuff height, the foot-bed has also been improved giving it a thicker construction along its full length. The extra height and full length thicker sole combine to give you a much warmer sock but one that can still fit in most cycling shoes.
Key FeaturesMerino wool blend create a super snug fast drying and moisture wicking sock
Full length and thicker footbed for added warmth with carbon soled shoes
The generous 15 cm ensures full coverage and a decent overlap with winter tights
About the BrandCastelli traces its roots back to a fine tailor (Vitore Gianni) in the heart of Milan, founded in 1876. Through the years, Vittore Gianni clothed AC Milan, Juventus and the Milan Ballet. The first cycling clothing was made in the 1910's for the world champion and five-time Giro champion Alfredo Binda. Castelli innovated the first aerodynamic Lycra shorts in 1977 which were used in racing and for public sales. Castelli’s single-minded mission is to make the most innovative Clothing for the cyclist seeking Maximum performance. Over the past Decade, Castelli have led essentially every performance innovation In cycling clothing.
Castelli Sock SizingS/ML/XLXXLShoe Size36-3940-4344-47
Socks Buying Guide
Standard Delivery Service - £4.99
This is a flat charge for an unlimited number of items.
To see postage options for your destination please choose your shipping country at the top of the page.
If for any reason you are not satisfied with your purchase from TRI UK, you may return the product(s) to us within 28 days of the purchase date for a refund or exchange.
Find out more about returning products
The Gregge Sock features pure Merino wool blended with modern fabrics to create an easy to care for wool winter cycling sock with suave styling. Based on the original Gregge sock but with 3cm of additional cuff height, the foot-bed has also been improved giving it a thicker construction along its full length. The extra height and full length thicker sole combine to give you a much warmer sock but one that can still fit in most cycling shoes.
Key FeaturesMerino wool blend create a super snug fast drying and moisture wicking sock
Full length and thicker footbed for added warmth with carbon soled shoes
The generous 15 cm ensures full coverage and a decent overlap with winter tights
About the BrandCastelli traces its roots back to a fine tailor (Vitore Gianni) in the heart of Milan, founded in 1876. Through the years, Vittore Gianni clothed AC Milan, Juventus and the Milan Ballet. The first cycling clothing was made in the 1910's for the world champion and five-time Giro champion Alfredo Binda. Castelli innovated the first aerodynamic Lycra shorts in 1977 which were used in racing and for public sales. Castelli’s single-minded mission is to make the most innovative Clothing for the cyclist seeking Maximum performance. Over the past Decade, Castelli have led essentially every performance innovation In cycling clothing.
Castelli Sock SizingS/ML/XLXXLShoe Size36-3940-4344-47
Socks Buying Guide
Standard Delivery Service - £4.99
This is a flat charge for an unlimited number of items.
To see postage options for your destination please choose your shipping country at the top of the page.
If for any reason you are not satisfied with your purchase from TRI UK, you may return the product(s) to us within 28 days of the purchase date for a refund or exchange.
Find out more about returning products