- HH Quick Dry, HH Max-Comfort Insole, 100% Recycled Toe box and Heel reinforcement
- HH Max-Vent, HH Max-Grip, 100% RPET Reinforcement Tape and Collar Reinforcement
- HH Pro Guard, HH Tough-Wear, 100% Recycled Polyester Webbing
- HH Power-Stride, 100% Recycled Lace, 30% Recycled Rubber, More than 80% of the upper is made of recycled materials
- HH Free-Flex, 100% Recycled Lining, 100% Recycled Polyester Strobel, PFC-free
