Why do professional boxers seem to go for runs very early in the morning rather than just have their run in the evening or night? - Quora
![iRun.ca - What's the Deal with Running Underwear, and Does Such a Thing Actually Work? (Home to Canada's running community and iRun magazine) iRun.ca - What's the Deal with Running Underwear, and Does Such a Thing Actually Work? (Home to Canada's running community and iRun magazine)](https://i0.wp.com/www.irun.ca/wp-content/uploads/2018/12/image2-4.jpeg?fit=500%2C749&ssl=1)
iRun.ca - What's the Deal with Running Underwear, and Does Such a Thing Actually Work? (Home to Canada's running community and iRun magazine)
![Runderwear Men's Anti-Chafing Boxers (5" inch) - lightweight, breathable, moisture-wicking sports and running underwear - chafe-free running, hiking, walking and other activities (Black, S) at Amazon Men's Clothing store Runderwear Men's Anti-Chafing Boxers (5" inch) - lightweight, breathable, moisture-wicking sports and running underwear - chafe-free running, hiking, walking and other activities (Black, S) at Amazon Men's Clothing store](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/S/aplus-media-library-service-media/6334e3d5-4604-4062-acb2-6b07408cc924.__CR0,0,1940,1200_PT0_SX970_V1___.jpg)