From Patagonia

A stretchy, neoprene-free spring suit built from 85% Yulex natural rubber/15% synthetic rubber by polymer content; the natural rubber is from sources that are Forest Stewardship Council certified by Preferred by Nature. Best for water 65-75 F/18-23 C. Made in a Fair Trade Certified factory.

• Stretchy 85% Yulex natural rubber/15% chlorine-free synthetic rubber by polymer content; the natural rubber is from sources that are Forest Stewardship Council certified by the Rainforest Alliance
• Stretchy, solution-dyed linings; interior is 100% recycled nylon, exterior is 83% recycled nylon/17% spandex
• Linings laminated with water-based, solvent-free AquaA glue
• Velcro shoulder closure for easy entry and exit; internal key loop included
• Seams are sewn with flatlock construction for maximum durability and comfort
• Soft and flexible Supratex kneepads provide additional durability and comfort against your board
• Made in a Fair Trade Certified factory, which means the people who made this product earned a premium for their labor