One-piece mock turtleneck undersuit Carbon Underwear

The SIXS Carbon Underwear one-piece undersuit with mock turtleneck collar is the new product in 2017 for motorcyclists. It features single side zip running down to the hip to help put the garment on, high protective collar that shields against chills and “softens” the chafing of the leather suit.

The distinctive elements that made the STX famous have been left unchanged. It protects the skin from built-up perspiration even in the warmer periods of the year, allows the body's natural thermoregulation to function, and makes putting on leather outerwear easier. So there are no more unexpected chills or cold since the moisture will be far away from the body.



XS - S - M - L - XL - XXL


  • Sports Motorbikes
  • Motorbike Touring

Product that can also be used for other sports activities demanding a single outerwear garment (such as a skindiving wetsuit, or under a onepiece skiing suit).


Carbon Underwear Fabric

SIXS products do not make you feel hot but you do not feel cold with them!

High comfort

Thanks to its elastic structure, it fits perfectly your body

Your second skin

This apparel should be used directly in contact with your skin in order to obtain the greatest results

Washing and Care

Tips for maintenance of the product


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