Blisters are prevented more by preparation than by treatment: wear shoes already broken in over 100 km or more, use merino or two-layer socks, change socks at the midday stop, and tape any hot spot the moment it is felt.
A Camino backpack should weigh about 10 percent of body weight including water, which for most adults is 6 to 9 kg; a pilgrim using luggage transfer carries only a daypack of 2 to 4 kg. Correos Paq Mochila carries up to 15 kg per bag between overnight stops, booked by 8:00 p.m. the day before.
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