What's the lightest inflatable travel pillow?

Ultralight inflatable pillows aimed at backpackers can drop well under a few ounces, far lighter than any memory-foam neck pillow. The tradeoff is usually a thinner, less plush feel and a smaller support surface. If grams matter for hiking, prioritize a compact inflatable; if all-day airplane comfort matters more, a slightly heavier padded model is usually the better call.