The Probar Meal ($3) is as tasty as it gets and, yes, will serve as a substitute meal, with 350 calories.
Patagonia’s Forerunner ($39) has built-in 30 UPF sun protection and is extremely durable.
The North Face Ultra Kilowatt trail runners ($120) can handle everything from blacktop to scree.
The Salomon Start ($40) is perfectly simple, with mesh panels on the side for breathability and a rear pocket for gels.
Any old bottle will do, but Ultimate Direction’s Fastdraw Plus ($23) has a hand strap that keeps it from slipping and a pocket for keys.