For lightning-fast inflation and water protection, the Therm-a-Rest BlockerLite Pump Sack gives you a versatile, lightweight option for gear storage and mattress inflation. Big enough to hold 20-liters of gear, it’s the perfect size to store extra clothing before inflating a high-volume air pad.

• Inflates your pad faster than breath inflation
• Easily snaps onto Therm-a-Rest valves
• Built w/ ultralight waterproof BlockerLite material from Therm-A-Rest's pals at SealLine
• Extra durable & features welded seams to keep your gear protected
• Doubles as a lightweight 20-liter dry sack when it’s time to hit the trail