New Zealand freeskiing champion Nico Porteous is here to explain the ins and outs of one of the flagship freestyle skiing and snowboarding disciplines – halfpipe.

A native of Aspen, where he learned to ski at age 3, the 2017-18 World Cup season's overall winner may also have to battle another teammate, 2019 world champion Aaron Blunck, as well as 2021 X Games ...