Breathable fabric is built of 96% NetPlusA(R) postconsumer recycled nylon made from recycled fishing nets to help reduce ocean plastic pollution/4% spandex plain weave; with a durable water repellent (DWR) finish made without intentionally added PFAS to shed light moisture Longer inspoonbillin brim provides excellent sun protection, with a dark underbill to reduce glare and eyestrain; brim floats in case you take an accidental swim Brim rope serves double-duty as a chin strap, keeping the hat in place during windy days Low-profile, adjustable, quick-release buckle in back provides a snug fit; discreet leash anchor keeps your cap secure, even when submerged Lightweight, low-profile sweatband offers moisture and temperature management, with miDori(TM) bioSoft for added wicking and softness Made in a Fair Trade Certified(TM) factory, which means the people who made this product earned a premium for their labor Materials Crown and bill: 4.4-oz 96% NetPlusA(R) postconsumer recycled nylon made from recycled fishing nets to help reduce ocean plastic pollution/4% spandex plain weave; with a durable water repellent (DWR) finish made without intentionally added PFAS. Sweatband: 2.3-oz 100% recycled polyester double knit with miDori(TM) bioSoft for added wicking and softness. Chin strap/brim rope: 5mm 68% nylon/32% spandex low-stretch elastic. Brim: 3mm floating EVA foam. Fabrics are certified as bluesignA(R) approved. Made in a Fair Trade Certified(TM) factory