Things that must bring along:

1. Sweater, water proof jacket. (the weather can be as low as 0-4degree C plus strong wind)
2. scarf, cap, water proof glove, t-shirts and short/long pants.
3. torchlight (to tide on body)
4. a good trekking shoes.
5. some medicine
   

Things that recommend to bring :

1. small backpack bag (if you think you will not carry the big backpack beg to Gunting Lagadan)
2. few plastic bag (to protect your belonging if rain)
3. raincoat.
4. chocolate, sweet, bread etc.
5. water bottle (raw water is available in every shelters)