For this holiday adventure, you will need warm outdoor clothing, casual indoor wear and perhaps an even nicer outfit for the celebration.
As a proper local we recommend always to wear wool thermals closest to the body two layers. The mid-layer will be a thick wool or fleece sweater/ jacket and a set of warmer pants. Make sure to top it all up with a wind- and waterproof layer to protect you from the cold wind. It is always smart to bring along a down jacket that will keep you warm in cold temperatures outdoors. At last, warm and steady shoes that can get dirty and are good for hiking. Woollen socks, gloves, buff and a thick are mandatory accessories.
Good to have with you is indoor shoes or extra woollen socks, toilet articles, a backpack of around 35 litres for personal belonging, snacks and water during the day trips. In Svalbard each participant is responsible to dress properly for the adventure. This is for your wellbeing and safety when it comes to hypothermia, frostbite and or other injuries that can occur due to lack of clothing or shoes. Kindly as us for advice if you are in doubt.