Go light! Please check our Summer Alpine Kit list for more information. Brief summary given here:
Quality pair of summer alpine mountaineering boots (e.g Scarpa Freney XT GTX, Sportiva Trango Extreme,) crampons, mountaineering ice-axe (c.50cm), harness with Screw gate karabiner and 8ft sling, helmet, rucksack (30-45L), head torch with fresh batteries, warm and windproof top and bottom layers, waterproof top and bottom layers, warm hat, thin gloves, medium gloves, 1-2.5 Litres of liquid, variety of snacks, sun glasses, very small tube sun cream, Insurance details, Cash (Swiss francs) for hut, Mobile phone…ear plugs for the hut!