The Ultra-Sil Pack Cover ends the debate about whether you should carry one or not. It's a tiny and compelling solution to keep your pack dry and the medium size weighs a mere 4 ounces. Packs into its own small stuff sack - why wouldn't you carry one?
Specifications & Size Guide:
X-Small: Fits a 15 to 30-liter pack
Small: Fits a 30 to 50-liter pack
Medium: Fits a 50 to 70-liter pack
Large: Fits a 70 to 95-liter pack
Backpacking, Hiking, Keep Gear Dry