Patagonia Long-Sleeved Self-Guided Sun Shirt is a versatile sun-protection top built for on-water and trail use, offering UPF 40+ coverage with breathable, quick-drying performance. Key attributes: Purple | Violet | Polyester | 40+ UPF sun protection | Quick-drying, wicking fabric | Mechanical stretch for mobility | Lightweight, breathable plain weave | Two chest pockets with button closures | Integrated lens-cleaning cloth sewn into front hem | Open venting across back and shoulders for cooling | Hidden collar snaps to prevent flapping | Long sleeves | Stand-up convertible collar with hidden snaps | Extended hem for coverage | Drop-in chest pockets with button closures | Dimensions & fit: Regular fit | Composition & care: 100% polyester | Machine wash cold, do not bleach, tumble dry low, do not iron