Premium full-grain and nubuck leathers from an LWG Silver-rated tannery. Padded collar. 100% organic cotton laces. Extra soft 100% recycled PET lining and footbed cover. OrthoLite® PU footbed made from 5% recycled rubber provides. SensorFlex™ technology delivers underfoot support, independent suspension and greater flexibility. Minimal rubber pods made with the Recycled rubber (42% recycled rubber) compound.