Size: With an adjustable string. Hat circumference best fit for 56-58cm/22"-22.8"
Usage: Reversible sun protection hat perfect for beach vacation, holiday, camping, tourism, gardening, fishing and hiking and any outdoor activity
SPF: It passed UPF 50+ test, anti-UV, great ventilated to keep you cool in summer; measures 16cm/6.3inch in length wide brim, it could shade UV rays effectively
STRAP ROPE: It makes the hat won't blown off when it gets windy