【Adjustable patterns for both sexes】: Each hat has an adjustable metal alloy closure. So our washable hats can be adjusted to many sizes to suit most different head shapes. The unique and adjustable design makes the hat suitable for both men and women. Fabric composition: 100% cotton 【Good ventilation and comfortable】: Fast-drying polyester fabric, soft and light, good ventilation, not easy to break, anti-static, non-fading, wear-resistant 【Can be used in various places】: Excellent for daily use and outdoor activities, especially forest walking, fishing, running, hiking, baseball, cycling, golf, tennis. Product industry: production process, simple and airy, robust and durable Adjustable design: Adjustable head design, convenient and fast