In winter, skiing is favorite sport for people. People can appreciate beautiful scenery on snow mountain and experience risk of sports when they skiing. People wear a ski cap to keep warm when they are skiing. The most famous ski cap manufacturers include Jack Wolfskin,
The North Face and Columbia. Those manufacturers use circular knitting machine to knit skip cap. Ski cap knitted by circular knitting machine have good heat retention property and water proofing quality. Ski cap is welcomed by people.
