Arc'Teryx Calidum 5 Panel Hat Brand_HydroFlask mesh backed WIC and OC

mesh backed WIC and OC rubber compounds and +SLIME Midsole providing responsive cushioning with dual density support

is designed to help you hike farther in more comfort

Security Pocket

keeping the V3 liner and boot shell locked in and connected

you're probably going to need this one in every color

Arc'Teryx Calidum 5 Panel Hat Brand_HydroFlask mesh backed WIC and OCPerformance five panel hat with a classic look and comfort stretch. CALIDUM 5 PANEL CAP The Calidum is a little different. We took the classic five panel design, then made it with the same performance structured mesh we use in our Konseal climbing harness. The result's a durable, breathable cap that works anywhere pushing it on the trail, hanging out at camp, and resupplying in town. The material's stretch forms to fit, and the back secures with a TPU