Ultralighters choose thin layers of man-made fibre for clothing; never cotton, which never dries. Talking of which, there’s nothing worse than chafing and now that rugby players wear Lycra under shorts, it’s acceptable to admit that wearing them on long hikes is essential.
Read Will Robinson’s advice on hiking in the UK before heading out as well though,
I have hiked and camped in the Loch Hourn region of northwest Scotland, and trainers, a poncho and the shelter of a nylon sheet are not appropriate for this wet and windy region. Boots, lightweight full waterproofs and a tent are required to hike in comfort and safety.