Sea to Summit Air Stream Pump Sack Hydration • NEW: 4 LED battery

• NEW: 4 LED battery level indicator

* Ergonomic design with removable insulation sleeve and easy sipping silicone lid

0 binding features the BOA® Fit System which evenly distributes tension around your boot

Reinforcements: Bi Material Air Tip

Sea to Summit Air Stream Pump Sack Hydration • NEW: 4 LED batterySea to Summit's Airstream Pump Sack is our big volume sleeping mat pump that doubles as a dry sack. It features a low profile valve plug that is compatible with our multi function valve found on all of our sleeping mats and Aeros pillows. 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 Nanodry sack is large enough to