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Sock liners Vapor-Barrier Socks Warm Feet Strategies Winter Boots

A New Use for VP Socks

Some mountain climbers use vapor-barrier socks to keep double-layered boots dry. These boots have a warm removable inner liner and a plastic outer shell. The plaster outer shell keeps out moisture, but because the boots don’t breathe, perspiration soaks the socks and liner which can then freeze. Vapor barrier (VP) sock are used to prevent this problem. The VP socks hold in the moisture to keep the boot dry. 

rab vapor barrier socks
Rab Vapor Barrier Socks weigh 1.85 oz. (52.4 gm.)