1) Equipped 2) Equipt 3) Like a cautious motorcyclist 4) Like construction workers 5) Like football players 6) Ready for battle 7) Wearing a pith hat Found on https://www.crosswordclues.com/clue/helmeted
Hel`met·ed adjective Wearing a helmet; furnished with or having a helmet or helmet-shaped part; galeate. Found on http://www.encyclo.co.uk/webster/H/29