Longitude Double making them perfect for sliding

making them perfect for sliding into the contours of your pack and all seams are double stitched and tape-sealed

With our concentrated formula all you need is half a cap

Top quality down insulation: tested according to IDFB standards

Sold in a package of 4

The full YKK(TM) zippered closure keeps contents secure

Longitude Double making them perfect for slidingThe dramatic human story of an epic scientific quest and of one man's forty year obsession to find a solution to the thorniest scientific dilemma of the day "the longitude problem." Anyone alive in the eighteenth century would have known that "the longitude problem" was the thorniest scientific dilemma of the day and had been for centuries. Lacking the ability to measure their longitude, sailors throughout the great ages of exploration had been