It maybe troublesome and expensive to carry much because Druk Air/Bhutan Airlines observe a baggage weight limit of 20 kg (66 lb). You should come prepared for vast contrasts in weather. Casual clothes are generally most suitable. Warm clothes are a must in winter since the temperature drops below 0 C. Trekking shoes, rain gear, windbreakers, sun caps and sunglasses are important for trekking and outdoor activities. Revealing clothes are discouraged in public places and religious sites.
Sun block cream and lip protection will be of help. On a sunny day, the sun can be scorching. Bringing an earplug might help you to sleep at night. Bhutanese being Buddhist can’t bring ourselves to get rid of the dogs. So, barking dogs at night has been cited as disturbing their sleep by some tourists in the past.