By Paolo Sandoval We live in a world of made up primarily of swooshes and stripes, but Reebok’s Nano cross-training shoe, originally launched in 2011, has amassed huge success and an incredibly dedicated following despite featuring neither. We at InsideHook have been fans of the Reebok Nano as far back as the 8, and we especially loved the recent Nano X. The sleek design, low-profile and surprisingly flexibility helped win us over, but what we love most about it is its versatility. You can lift heavy weights and not fear death by barbell in the shoe. You can pilates your way to a six-pack. You…