Thermal socks keep your feet warm when you are constantly treading snow
Camping/Beach/Outdoor Gear: One of the best things that i bought on the trip was a thermal flask and we used it everyday filling it with tea or soup. It kept us warm and stomachs full.
Miscellaneous: A small backpack to put basics supplies for a day of skiing or going up the mountains.
Luggage and bags:
A small backpack for daytrips in the mountains or a larger backpack for longer trips.
Clothing/Shoes/Weather Gear: Hiking boots and trekking poles.
Foresee also winter clothes in Summer. The weather is unpredictable.
Miscellaneous: You can buy all the gear you need in Chamonix. But your credit card might get overheated!
Luggage and bags:
day pack and back pack if you plan to hike
Clothing/Shoes/Weather Gear: hiking boots, walking shoes, rain jacket (gore tex), wind proof jacket, gloves, hat, water bottle/bladder, thermal bottle if you are going up high
Toiletries and Medical Supplies: available in town - first aid kit if you are doing any mountaineering or ski-mountaineering
Photo Equipment: available in town
Camping/Beach/Outdoor Gear: lots of stuff is available to rent, but bring your own if you want a good fit
Miscellaneous: ropes, carabiners, crampons, ice axe, skis, avalanche beacon & probe, snow shovel, stiff soled hiking boots, harness that will fit OVER your clothing, quick draws, ice screws, touring skis/bindings, etc. for your adventure. Anything you forget, you can buy or rent at local sports shops. Lots of mountain huts, so tent not required but bivvy sack recommended in case of emergency.
Clothing/Shoes/Weather Gear: Be prepared for any weather conditions. The picture above was taken in July and the weather can change really quick when you're up on 4000 meters. One minute it's beautiful and sunny and the next thing you notice is a snow storm. So, you better take some warm clothing.