Nam & Ko

s1 Face Mask



Suit up or play sports. The s1 mask is made from performance fabric to power your lifestyle.

  • ATB®-UV+ silver antibacterial, waterproof neoprene outer shell
  • Mesh lining
  • Nose wire
  • Adjustable ear loops
  • Pocket for disposable filter (not included)

Read more about our design process


Wash before wearing for the first time and after each use. 

We recommend ordering based on your clothing size.

We have updated our sizing based on customer feedback. Mask sizes now correspond to clothing size. 

Made in New York. 

Your purchase supports local employment of NY fashion workers.

These are non-medical masks.

Designed for personal use in line with CDC guidelines for face coverings. Not intended for use in a clinical setting. We trust you get the message but these disclaimers are important.