mountaineering boots; climbing boots
Heavy-duty boots designed for serious mountain climbing, with stiff soles and crampon compatibility.
Before climbing the winter mountain, I bought sturdy mountaineering boots.
hiking boots; trekking boots
Lighter boots suitable for hiking and trekking on trails, less rigid than mountaineering boots.
Light hiking boots are recommended for hiking.
Compound of 登山 (tozan, 'mountain climbing') and 靴 (kutsu, 'shoes'), with rendaku voicing of くつ to ぐつ.