When it comes to choosing the right size pack for your travels, personal experience plays a huge role. I usually go for a pack that balances capacity with comfort—something around 40 to 50 liters works well for trips lasting a week or so. This size gives me enough room to pack clothes, gear, and essentials without being too bulky or heavy to carry. I recommend considering the type of travel you'll be doing. For minimalistic day trips or city exploration, a smaller daypack suffices, but for multi-day adventures, a larger backpack that supports proper weight distribution is essential. Look for features like padded straps, adjustable suspension systems, and multiple compartments to organize your gear effectively. Another tip is to test your backpack with the gear you intend to carry before heading out. Adjust straps and try walking short distances with it to ensure it feels comfortable. Overpacking can lead to strain and discomfort, so focusing on versatile clothing and essential items helps keep your pack manageable. Ultimately, the best pack size varies from person to person, so don't hesitate to ask questions and learn from others’ experiences. Sharing your needs and receiving feedback in communities or comment sections can guide you to make the best choice for your next trip.