HH Quick Dry HH Max-Vent HH Lite-Frame HH Pro-Guard HH Power-Stride HH Comfort Insole HH Max-Grip HH Tough-Wear 100% Recycled Lace 100% Recycled Polyester Webbing 100% RPET Reinforcement Tape and Collar Reinforcement 100% Recycled Lining 100% Recycled Lining 100% Recycled Polyester Strobel Antimicrobial treatment to prevent odour Non-marking rubber soles More than 60% of the upper is made of recycled materials PFC-free