Kit and Ace owners J.J. Wilson and Shannon Wilson pose in their flagship store in Vancouver, British Columbia, October 17, 2014.

Sewing machines hum inside a spacious clothing boutique where the wife and son of Lululemon Athletica's founder hope to capture the retail magic that turned the yogawear maker into a stock market darling.

Meet Kit and Ace, the brainchild of billionaire Chip Wilson's wife, former Lululemon lead designer Shannon Wilson, who started the new streetwear venture with his son J.J.