Here is general recommended  trekking Gear Lists:-
01.) Good wind/rain jacket
02.) Warm fleece jacket or jersey
03.) Good boots, either light-weight trekking boots or light full leather boots
04.) Good -20 Sleeping bag (which can be rented or buy in Kathmandu)
05.) A comfortable day pack, preferably with a waistband.
06.) Fleece jacket or pullover
07.) Fleece Wind-Stopper jacket (optional)
08.) Waterproof (preferably breathable fabric) shell jacket
09.) Down vest and/or jacket (optional)
10.) Lightweight gloves
11.) Heavyweight gloves or mittens with a waterproof shell outer
12.) Sun hat or scarf
13.) Light balaclava or warm fleece hat
14.) Sunglasses with UV protection
15.) T-shirts
16.) Underwear
17.) Hiking shorts
18.) Light and expedition weight thermal bottoms
19.) Fleece or wool pants
20.) Waterproof (preferably breathable fabric) shell pants
21.) Thin, lightweight inner socks
22.) Thick, warm wool hiking socks
23.) Hiking boots with spare laces
24.) Camp shoes (sneakers and/or sandals)

Other optional necessary equipment:
1.) Headlamp (e.g. Petzl Zoom) with spare bulbs and batteries
2.) Small pad or combination lock-to-lock trek bag
3.) Basic First Aid Kit (We also provide a comprehensive first aid medical kit and Oximeter)
4.) Large plastic bags – for keeping items dry inside trek bag
5.) Day pack (approximately 2500 to 3000 cubic inches)
6.) Water bottles (2 bottles recommended)
7.) Toiletries
8.) Small wash towel