We’ve featured a plethora of MacBook sleeves in the past, and there’s generally a trade-off between size and function; you have to choose slim or super-protective. Thule’s Gauntlet MacBook Sleeve ($50) offers a nice compromise. This hard-sided sleeve is going to definitely provide more protection than neoprene, even though it isn’t significantly larger.
Available in versions for the 13” or 15” MacBook Pro, Gauntlet zips around three of the four sides. The walls are rigid, and water-resistant too. Inside is an elastic band to hold your computer in place, while two more on the corners allow you to use it in a clamshell mode. Both the look and feel inspire some confidence that your Mac will be safe against bumps and drops.