Sporty meets cozy with this sable knit sweater by PE Nation. Neutral stripes with a pop of blue lend retro charm to this relaxed fit cardigan style. Sporty meets cozy with this sable knit sweater by PE Nation. Neutral stripes with a pop of blue lend retro charm to this relaxed fit cardigan style. An active streetwear brand designed for the urban lifestyle, PE Nation was founded in 2016 by Pip Edwards and Claire Tregoning. Armed with experience from working at iconic Australian fashion brands, they saw an opportunity to design for all sports, styles, and ways of life.