1. plural of daypack; small backpacks designed to carry essentials for a day trip or short excursion
Usage: commonly used in outdoor recreation and hiking contexts

Examples

• We packed our daypacks with water, snacks, and a map for the hiking trail.
• The outdoor store sells several styles of daypacks in different colors and sizes.
• Most daypacks have a capacity of 15 to 30 liters.
• She grabbed her daypack before heading out for a morning walk in the mountains.
• The school trip required each student to bring a daypack with lunch and supplies.
• Daypacks are lighter and more compact than full-sized backpacking packs.