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We believe that performance and sustainability should go hand in hand. Every material that goes into an OSSEY hardened board sock has been carefully chosen to meet our strict performance and environmental requirements. The materials that we use reflect our commitment to surfers and our commitment to the environment.

Yulex ™

A plant based, all natural rubber created from the sap from the heava tree. Harvested from FSC® certified plantations you can be sure that your bag is not only good for the environment but also for the farmer that produces it. The harvested sap is then purified and refined to remove all contaminants to produce the highest quality neoprene possible for your board sock. 

We use Yulex™ open cell foam to make the protective layers for our nose, rail and tail padding to keep your board as safe as it can be. 

Recycled Polyester + Spandex Blend

Our fabric blend rescues waste polyester that may otherwise have found its way to our oceans. By reusing drinks bottles, plastic containers and other single use plastic items, every single one of our socks takes a little bit more plastic out of the environment and puts it back to good use. 

Spandex provides the essential stretch properties needed in our panel fabric, ensuring our socks always stay snug to the board for protection, no matter what size or dimensions. We currently do not have a non-virgin source for the spandex used in our blend. We are actively seeking alternatives to spandex, whilst also pursuing non-virgin alternatives. We use the absolute minimum amount of spandex required to give the performance stretch properties of our socks. Virgin spandex currently makes up less than 5% of each of our bags. 

We use a recycled polyester + spandex fabric to make the ultra stretch panelling for our signature always snug fit. 


Natural and biodegradable, cotton is made from the lint collected from the cotton plant. Then combined, spun and woven into threads the cotton can be dyed and cut before being sewn into cloth. Easility woven and flexible, cotton is the clear choice to produce soft and complex embroideries. 

Although cotton is a natural fibre, with significant sustainability benefits compared to it’s virgin synthetic counterparts, we are determined to go further. We’re exploring options to source and use recycled cotton in our patches to extend the life of cotton already produced, giving it a new home in our socks. 

We use cotton to make our embroidered OSSEY logo patches. 

Recycled Polyester

Made from recycled plastic goods rather than virgin petroleum from the ground,  we’re lessening our dependence on scarce, environmentally harmful oil. By using recycled polyester, we keep waste out of landfill and our environment that would otherwise take hundreds of years to decompose.

We use 100% recycled polyester cord to make our drawstrings.

Zinc Copper Alloy

Providing excellent corrosion resistance and durability, zinc copper provides the ideal material to make our cord stoppers from. Using metal rather than plastic, not only provides a more robust and damage resistant stopper, but further reduces our dependence on virgin petroleum derived plastics. 

We use Zinc Copper alloy cord stoppers for our drawstring closures. 

Gütermann ™ Recycled Thread

Made from recycled polyester, Gütermann rPET thread provides a strong and flexible thread capable of holding stretch fabrics together through repeated cycles of use. 

We use Gütermann Recycled Thread for every inch of sewing.