The climb to the highest peak of the Grandes Jorasses is a technically demanding route, over ice and rocks. It requires top shape, but the rewards are well worth the effort.
equipment
mountaineering boots
backpack 30 l
climbing helmet
harness
lanyard or daisychain
screw carabiner
ice-axe
standard crampons with anti-balling plates
collapsible trekking poles
sleeping bag liner (mandatory in mountain huts)
mineral salts
water bottle (1 l min) or thermos
energy bars or dried fruit/nuts
sunscreen (at least SPF 30) and UV protection lip balm
personal first aid kit
headlamp (with new batteries plus spares as backup)