The men’s Sinsolo is Arc’teryx technical take on a popular bucket hat. Unlike a typical bucket cap, the Sinsolo is made from a lightweight, durable, and packable blend of 4-way stretch nylon and elastane material with laminate construction. This weave offers wearers UPF 50+ sun protection while holding its shape and drying quickly. The anatomical design ensures a secure fit that’s easily packable into a pocket or backpack.