Storage by day, pump by night. The Air Stream™ Dry Sack Pump is a dual purpose dry sack and pump. It features a low profile valve plug that is compatible with Sea to Summit's multi-function valve found on all of their sleeping mats. With two to three cycles of air, your sleeping mat will be inflated with minimal condensation on the inside of your mat and no dizziness from puffing. The lightweight 15D Ultra-Sil™ Nano™ dry sack is large enough to store clothes or a sleeping bag inside your backpack.

Packs down extremely small, but its in-use volume of 20 Liters is perfect for storing clothes or a sleeping bag inside your pack.

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