For lightning-fast inflation and water protection, the Therm-a-Rest BlockerLite Pump Sack gives you a versatile and lightweight option for gear storage and mattress inflation. Designed in partnership with SealLine, the pump sack features durable and welded seams. Big enough to hold 20 liters of gear, it’s the perfect size to store extra clothing before inflating a high-volume air pad that features the WingLock or TwinLock valve.
Water bottle shown for scale; not included.
Weight: 75 grams
|• Timesaving: Inflates your pad faster than breath inflation. Easily snaps onto Therm-a-Rest valves.
• SealLine® Protection: Built with ultralight waterproof BlockerLite™ material from SealLine, this dry sack is extra durable and features welded seams to keep your gear protected.
• Versatile: Doubles as a lightweight 20-liter dry sack when it’s time to hit the trail.