Running Gear Review: Halo II Headband, Camelbak Dart Hydration Backpack, and Garmin Forerunner 220, or: “Maybe I’ll be fast as you…”

Howdy friends. So it’s mid July and summer training is moving along in earnest. And man oh man, is it STEAMING out there. Look, I get it, complaining about the scorching heat and oppressive humidity in the summertime — in JULY — in SOUTH FLORIDA!! — is a pointless exercise in Classic Nuh-DOYity. Still, I…