Whether you're pitching a tent on fresh lawn or establishing camp after a wet afternoon, a water-proof ground sheet is among those items of gear that quietly gains its keep. It's not one of the most glamorous product in your package, but experienced campers, walkers, and festival-goers will tell you

Whether you're pitching an outdoor tents on dewy turf or setting up camp after a rainy afternoon, a waterproof ground sheet is one of those items of gear that silently gains its keep. It's not the most glamorous item in your package, however experienced campers, hikers, and festival-goers will certa