Therm-a-RestTherm-a-Rest Blockerlite Pump Sack Green

Blockerlite Pump Sack is a pump sack from Thermarest that makes it easy to inflate your sleeping mattress that features the WingLock or TwinLock valve. It also doubles up as a waterproof packbag that is big enough to hold 20-liters of gear, it’s the perfect size to store extra clothing.