Equipments Checklists:
The lists here is only a general guides to the things you might take on a tour, The types of gear you bring depends largely the type of trek you are planning to do in Peru.

Clothing:
Trekking boots, hat, waterproof jacket, rain ponchos, trousers, running shoes, sandals or flip-flops, light trousers , sunhat, T-shirt--2 or 3 and long sleeved shirt.

Equipments:
backpack, sleeping bag, maps, compass and guidebook, water bottle, flashlight, spare batteries.

Miscellaneous Items?
Toiletries, quick-drying camp towel, toilet paper, cigarette lighter, sunscreen, polarizing sunglasses, pocket knife, iodine, water-purification tablets, medical and first aid kit, insect repellent, emergency kit including a whistle and waterproof matches, candle etc.

High Altitude áreas Above 3,500 M
If you are going to trekking high altitude areas you better take some more gears such as--thermal underwear, woolen hat, gloves, gaiters, down jacket or down vest and Rain poncho etc.

Option Equipment: Camera, memory card and battery charger, spare batteries, binoculars, backpack cover.

These aforementioned lists are only the general guide,