Mountain biking can take on many forms, from hot laps on the backyard trail to long, winding singletrack through the alpine. Regardless of the riding style you gravitate toward, nearly every trip out requires you to carry water, snacks, tools, and other gear. The most common carry method is a mountain bike backpack, and below we break down our top picks for 2024 Designs vary pretty widely, and important considerations include carrying comfort, interior volume, water-hauling capacity, and pockets and organization. For more background information, see our comparison table and buying advice below the picks.