Satisfy Running Peaceshell Cordura Trail Cap Light Grey Bags The shoulder straps come equipped Size:M = 32" 34" The shoulder straps come equipped with mesh packets that you can carry your water bottle and keys secure and balanced Made from a lightweight and water repellent Peaceshell™ Cordura stretch nylon taffeta this trail cap style running hat from Satisfy is durable enough to protect from the elements but still light enough to forget it's there External care label (removable) and elastic bungee cord fastener this cap gives you everything you need and eliminates anything that might get in the way so you can focus on your run