60/40 cotton/polyester. 100% polyester mesh back. Structured, six-panel, mid pro profile. Pre-curved bill. Adjustable plastic snapback.This product meets the following Sustainable Style subcategory: Responsible Mindset: Official partnership with Captains for Clean Water. Worth Every Mile Patch (Custom designed by our Mom Day 5k/10k team)! A portion of all sales will be donated back to POEM (Perinatal Outreach + Encouragement for Moms) for a community with better maternal mental health resources.