It's not practical to carry your backpack or travel bag around with you during the day on your gap year, so we recommend taking a small backpack or daypack with you for day to day use. Our range of lightweight daypacks are designed to carry your daily essentials, from bottles of water to sun cream, guidebooks and beach towels. Our packable daypacks can be easily folded into themselves to form a compact storage pouch, perfect for minimising on space when you're not using it. Ranging from 15-18 litres in size, these bags are the perfect size for a day of sight-seeing during your gap year or for stashing everything you need for a day down at the beach.
I bought this as a gift for my daughter as it's big advantage is ease of use and so I'm more confident that it will be used where needed. If it were me I'd go for the more complex but more versatile Sawyer filters.