The compact gym/work backpack The Fit Pack 3 stores your gym/work essentials without adding extra bulk. Stylish and functional, this versatile daypack goes with you to the office, gym and everywhere in between. Move Smarter™. Features • 1680D Cordura® ballistic nylon exterior • YKK® zippers • Duraflex® plastic hardware • Interior liner treated with antimicrobial coating to control bacterial odors