4.5 oz (128 g)
HOT SAC VBL
Stop radiant heat loss and prevent excess
moisture from accumulating within your bag
while your skin and sweat mechanism reaches
a happy equilibrium. Maintain hard fought
hydration and reduce the need to wake in
the middle of the night to quench your thirst.
Metallic interior coating, elastic drawcord
neck with .6 oz ripstop body.