01 :- Duffel bag (This should be nice with good zipper)- 1
02 :- Large plastic bag to put inside the duffel- 1
03 :- Daypack- 1
04 :- Trekking boots (this should be water proof)- 1 pair
05 :- Socks for trekking boots- 3 pairs
06 :- Short pants for hiking- 1 pair
07 :- T-shirts or short sleeved shirts- 3
08 :- Long sleeved shirt- 1
09 :- Sweater / jacket (can be buy also in Kathmandu)- 1
10 :- Underwear- 3 pairs
11 :- Bras (for women)- 2
12 :- Rain coat or a good umbrella-1
13 :- Sanitary napkins (for women)- 1
14 :- Bathing suit (for spring treks)- 1
15 :- Warm hat and sun hat- 1
16 :- Extra clothing for cold sensitive:
1 pair long underwear- 1 pair long woollen,
1 wool shirt (long sleeved)
17 :- Utility knife- 1
18 :- Sunglasses- 1
19 :- Towel- 1
20 :- Bar of soap or tube liquid soap- 1
21 :- Toothbrush & toothpaste- 1
22 :- Toilet paper (can buy in KTM & on trek)
23 :- Water bottle (mineral water can be on trekking some where)
24 :- Plastic bags (for clothes organize)
25 :- Flashlight with extra batteries & bulb- 1
26 :- Some common medicine likes: Band-Aids, aspirin or Tylenol for headaches or other pain, antihistamine, Throat lozenges etc.
27 :- most important thing "CAMERA" and necessary things