Nucleotide Nucleoside Yamatomichi Sacoche White Grey. A sacoche is an indispensable tool for an ultralight hiker. Low profile, lightweight and hands free, theyre the perfect way to keep tickets, snacks and maps close by and cut down on endless rucksack faffage. As youd expect, Yamatomichis version is exceptional. Originally designed after a trek on the John Muir Trail in 2010, its a masterpiece of form and function, just the right size, with a wide opening for easy access, and a handy adjustable strap to keep it close to your body. This will get a lot of use.