cosplay moon knight costume

Hair in the front will need to be pinned down to cover it. What heat setting would you recommend I use for straightening the crimped hair, red power ranger costume and will the front of the wig still look nice with all of her hair swept back? You cant really pull all the hair back without exposing the cap underneath. I live in Australia and it made it here in 10 days. Shipping to Australia would be $10-$15 US for Standard International shipping.