Rachael Karker 🇨🇦 and Birk Irving 🇺🇸! Your freeski halfpipe champs! 🥇🏂❄️🏆 @canfreestyleski @usskiteam @FISfreestyle @MammothMountain #FISfreestyle #FISfreeski #ToyotaGP 📸: @haffeyphoto t.co/KoDNE6vnQD