BlockerLite Pump Sack baselayers The carrying mechanism is straightforward

The carrying mechanism is straightforward yet functional

hands-free drinking

- optimal shape for belaying with a Munter hitch

Breathability Rating: RET 13

symmetrical geometry and non-tapered floor maximize space—because you didn’t head out into the backcountry to feel constrained—while other precision-engineered features

BlockerLite Pump Sack baselayers The carrying mechanism is straightforwardFor 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 our friends at SealLine, the pump sack features durable and welded seams. Big enough to hold 20 liters of gear, its the perfect size to store extra clothing before inflating a high volume air pad that features the WingLock or TwinLock valve. Timesaving: Inflates your pad faster