Why is it that when I hike at 10 am (Florida) in 84° temps, that it kills me and I have to stop several times. BUT, when I hike in 90° temp at 6pm, I rip it up. -- John Caster____ lungcancerhike.org johnbcasterline.com Facebook <https://www.facebook.com/pages/Lung-Cancer-Hike-A-Hike-of-Hope/156690367700043>