Kate, 44, completes the Three Peaks challenge, climbing the highest mountains in Scotland, England and Wales—Ben Nevis, Scafell Pike and Snowdon—within a 24-hour period. The reporting describes her using Fjällräven outdoor clothing and equipment for the event. One outlet also notes that she accessorizes with birthstone earrings during the challenge, presenting this as a personal detail alongside the outdoor kit. Across the sources provided, the central points are that she completes the three ascents in the required time frame and that Fjällräven is the outdoor brand featured in coverage. No additional confirmed information is included in the supplied excerpts about the route specifics, sponsorship, logistics, or any statements from Kate. The focus remains on the completion of the challenge and the outfit details mentioned by the outlets.