5.11 Tactical ATAC 8" 2.0 Arid Side Zip is ideal for when the temps rise beyond past 110 F, the 8” ATAC 2.0 Arid boot won’t notice a thing. Its suede and 840D nylon upper breathes and provides outstanding support. The boot lining is finished with Agion antimicrobial treatment for odor control. Full-length dual durometer Ortholite footbed works to keep your feet cool, dry and comfortable all day every day. Another addition, the Achilles heel flex zone, gives a critical part of your foot more range of motion without compromising support and stability.