New Balance Men's Apparel Size Chart The 5" Impact Short has been updated with a new-and-improved fit andy more modern, streamlined design details. Cut from moisture-wicking woven fabric in an athletic fit, it features breathable mesh side panels and a comfort brief for the support you need. Plus, a zip pocket and drop-in waist pocket offer savvy storage, while streamlined reflective details and fluorescent color accents help others see where you're going at all hours. Features: - Athletic fit - NB DRY technology wicks sweat away to help keep you cool and comfortable when your run heats up - Reflective trims - Built-in comfort brief - Side mesh panels - Drop-in waist pocket - Zip pocket on right side - 86% Polyester/14% Spandex