Is this for sweat or keepjng hair away. I use these under armour ones - https://www.amazon.ca/dp/B01M4M37NW/ref=cm_sw_r_cp_apa_glt_i_0S3E5TX7K8RTY60XJCTV
They stay put.
I was right about to do this, then I saw someone on r/ultralight mention that they used these instead.