Besides final preparation and checking all your gear to carry, likewise make sure of the date as per your departure. Contact your airlines and make sure of your tickets that are confirmed and just relax and hope for the best. Items to carry with good equipment and gear for a successful holiday entirely depends upon your choice of trip. From leisure tours of heritage sites, short or long treks, climbing trekking peaks, and major mountaineering including jungle safari.
Therefore as per your chosen and planned holiday trips, where one needs to purchase the items accordingly. For instance, if it’s for trekking in Nepal where equipment is required as per season, duration, and grade of the trek. On treks to Nepal, where trekkers need to carry gear as per season-wise as per the list provided. Thus, by respective local or abroad trekking and adventure companies from good walking boots, rucksacks, warm down /duvet jackets. Including other necessary gear with snow / rainproof, gloves, etc. Most reputed local and abroad agents do provide good quality sleeping bags with warm inner linear, including duffel bags. Where you can pack items to carry for treks, with company logos.
Most importantly, the equipment that you bought should be of excellent quality that can withstand mountainous rough terrain, snow, and ice. Make sure what to bring, as one can buy some good branded gear for the trek in Kathmandu also. Besides, trekking equipment one can buy or hire other important climbing and mountaineering gear also, good quality of the genuine brand.