Detachable: The sun hat combined with wide brim, face neck flap (flap are removable) which can keep the sun off your head, face and neck. Material Size: 100% high quality nylon,soft breathable and quick drying.One size adjustable from 22.5" -24". Lightweight Packable: Summer hat is only 3.6oz,this weight is very comfortable to wear.Packable design is convenient to take it with you or throw it into your bag. Windproof Water Repellent: The beach sun hat with an adjustable chin strap for fixing the sun hat, especially in windy days.Water repellent polyester material could prevent rainwater from seeping into your head Widely Used Partner Outdoors: The women men sun hat is a perfect hat for beach, fishing, hiking, camping, travel,tourism, gardening,picnicking at the park or any outdoor sports and activities. Wonvin brand creations and products glow the essence of elegance and luxury.