Nn+ Home > About Nn+
ExpanTech Technology
Proprietary ExpanTech technology is a patent-pending knitting innovation that, combined with specific yarn treatments, allows for unique 360-degree stretch throughout the sock.
A leader in sustainable manufacturing.
Made in the USA in a carbon-neutral facility utilizing emission reducing practices and offsets*
*Greenhouse Gas Protocol Scopes 1 & 2
80% of raw material waste is recycled every year, saving 2,000 trees annually
90% of our dyes are Global Organic Textile Standard (GOTS) certified
Energy-efficient lighting saves over 50,000 kWh/year
99% of whitening uses GOTS-certified chemicals, which meet set limits of biodegradability and have no adverse effect on the environment
ExpanTech Socks
Proprietary ExpanTech technology is a patent-pending knitting innovation that, combined with specific yarn treatments, allows for unique 360-degree stretch throughout the sock.
A leader in sustainable manufacturing.
Made in the USA in a carbon-neutral facility utilizing emission reducing practices and offsets*
*Greenhouse Gas Protocol Scopes 1 & 2
80% of raw material waste is recycled every year, saving 2,000 trees annually
90% of our dyes are Global Organic Textile Standard certified
Energy-efficient lighting saves over 50,000 kWh/year
99% of whitening uses GOTS-certified chemicals, which meet set limits of biodegradability and have no adverse effect on the environment