Terra Ranger SL Compass Size:One Size Depending on who you talk

Depending on who you talk to

from its quick-access card slots to the secure coin pouch

In its most streamlined configuration you can get it down to 30 litres

You never know when you might need to shed a little light on the situation – and though your phone torch might cut it for a while

With a generous R-value of 4

Terra Ranger SL Compass Size:One Size Depending on who you talkDinky sighting compass with a built in sundial This tiny Terra Ranger SL is a simple mirror sighting compass for taking accurate bearings on the fly. Considering it's such a miniscule instrument, it boasts a surprising number of features including your classic rotating Silva dial, luminous markings for night nav, and a map measuring scale in millimetres. There's even a built in sundial to help you work out the time if your watch has stopped.