Yes dear there are Adjustable Strap on the Back,you can adjust the size freeling according to your head at the 1 2 3 positions

also has 4combs,two Sides & Back &front,to better secure the wig.

Hey honey our cap size is normal Cap Size(22.5" circumference size)

if u have a very small head or want a bigger one,

you can email us to customize the size

we are always here and will try our best to help u.

Looking forwards to receive your orders!