Sep 7, 2011 · I am curious about the GUTR and Halo in particular since they both are designed to direct sweat away from the forehead to stop it from dripping into the eyes. I am a profuse head sweater and I find that riding in the summertime often leads to eyes that are burning from sweat, and rivulets of perspiration running down the lenses of my sunglasses.

@chas58 and @noglider, how long are you wearing your synthetic clothes and do you quickly dry them when you take them off? My commute is about 50-55 minutes each way and after each ride, my clothes are hung and a fan blo

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Aug 3, 2007 · 250-300 calories per hour to prevent bonking (also known as low blood sugar) One 750 ml bottle of water and/or sports drink every 1 to 1.5 hours on the bicycle ... more if it is hot.