TIMBERLAND. A1RMAD36. 1978 AEROCORE HIKING BOOTS. MEDIUM BROWN. Exceed your goals on the next hike with the Timberland 1978 Aerocore Hiker Waterproof boots. Premium waterproof leather uppers feature a TimberDry waterproof membrane for weather protection. Rustproof speed lace hardware with top hooks. OrthoLite footbed for all-day cushioning comfort. Aerocore energy system midsole compound improves cushioning.