Cruising down the river from one campsite to the next, looking up between oar strokes to ogle the canyonwalls, is the outdoorsy equivalent of riding around a new city in an open-air tour bus.
The MBII served me well on my trip to Supai it emerged without a single scratch, despite my occasional run-ins with canyonwalls and heavy backpacks and it served me fantastically back in New York: the nylon band and zesty orange accents make it an excellent casual watch for short-sleeve summer days.
"A researcher I was speaking to recently reckons green walls in urban canyon environments (areas where walls are higher than the width of the road separating them) are more effective than trees at collecting particles because the way the wind eddies around and then moves down the wall, " Laurence said.