Therm-a-Rest BlockerLite Pump Sack

For lightning-fast inflation and water protection, the BlockerLite™ Pump Sack gives you a versatile and lightweight option for gear storage and mattress inflation. Designed with the SealLine® company, 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 a WingLock™ or TwinLock™ valve.

• Ultralight waterproof BlockerLite dry sack material 
• Extra durable with welded seams to keep gear protected
• Easily snaps onto Therm-a-Rest valves
• Inflates pad faster than breath inflation
• Doubles as lightweight 20 liter dry sack
• Color: Green
• Material: Polyester