H2 stands for H20 — it's made to get wet with quick-dry webbing and lining

longer-lasting traction

which supports stability and helps reduce foot fatigue on uneven surfaces without sacrificing toe flexion

a contoured cork and EVA midsole which is lightweight and cushioned for shock absorption

and a thermal heat shield footbed keeps heat in

Men's Dunham Byrne Chukka Boot-Waterproof Width:D H2 stands for H20 —Our Byrne boots are equal parts supportive and comfortable. Made waterproof so you can take on most any weather, these boots use memory foam that molds to your individual foot shape. They look great for both work and weekend alike. Waterproof materials resist against water absorption Removable molded memory foam footbed provides lightweight impact absorption cushioning that molds to your foot TR outsole increases overall traction and stability Padded