(TrendHunter.com) American pet retail giant Petco has teamed up with Backcountry, a camping and hiking equipment brand, to launch an outdoor apparel and accessories collection for dogs titled Backcountry x Petco.... (TrendHunter.com) American pet retail giant Petco has teamed up with Backcountry, a camping and hiking equipment brand, to launch an outdoor apparel and accessories collection for dogs titled Backcountry x Petco....