What Our Gearhead® Experts Are Saying:"I run hot when I’m pushing pace, but the Swift Ultra Light Cap vents like a dream. It packs down to nothing and dries fast—perfect for trail runs or stashing in a pocket on alpine climbs."From alpine ridgelines to hot road miles, the Outdoor Research Swift Ultra Light Cap keeps us cool and covered with its ultralight, breathable construction. Designed for performance, this cap pairs trail-ready function with packable convenience so we can move light and fast no matter where we roam. Its hybrid-mapped fabric combines stretch and structure in all the right places, shedding light weather with a DWR finish and drying in a flash after sweaty climbs. With a drawcord-adjustable fit and UPF 30 sun protection, this crushable cap is the one we reach for when breathability, comfort, and speed matter most.