Our most technical long-sleeved button-up is designed for hot and humid conditions. Made from a stretchy, quick-drying, ultralight recycled nylon/T400® polyester blend, the Long-Sleeved Sun Stretch features western drop-in pockets that can accommodate a passport or fly box.Features Made with an ultralight 52% recycled nylon/48% T400® polyester blend that dries in a flash for all-day comfort Mechanical-stretch fabric allows for greater comfort and ease of motion while casting Two vertical zip-closure chest pockets; zippers are 100% plastic to prevent corrosion in salt water Collar snaps keep collar from flapping on windy days Hidden lens cleaner at the hem keeps optics clear Specs Fit: Relaxed fit Material: Body: 2.2-oz 52% recycled nylon/48% T400® polyester plain weave with mechanical stretch. Lens cleaner: 3.7-oz 100% recycled polyester jersey knit with miDori™ bioSoft for added wicking and softness, and HeiQ® Pure odor control. Body fabric is certified as bluesign® approved Country of Origin: VIETNAM