Standard issue iPhone head phones have given me the best experience. (Newer iPhone 5 kind)
Mine ripped on me when my phone flew out of my pocket on my bike,I'd always listen to music while our group was on long rides and my helmet slid straight over them and always stayed in. If you wrap them around your ear they don't move at all. I tried finding a decent replacement including those iron man ones but none were as comfortable or solid as the ones I got with my phone. Plus you can control volume, pause, skip, and replay songs with them with out having to get your phone out. They were the most comfortable under my lid, I've gone through 4 other styles trying to find some to replace those unsuccessfully. Versatile, comfortable, stable, & decent sound. If they're comfortable under a tight motorcycle helmet i'd imagine they'd do fine under a ski helmet.