Shoppers say the Hoka Mach 6 sneakers are  perfect for all-day comfort because they feel like “walking on air.”  You can snag it at Amazon , Zappos , or Dick’s Sporting Goods for up to 30% off.  Other popular Hoka styles, like the Bondi 9 and Clifton 10 , are also on sale. There’s nothing that can hold you back like a heavy shoe. You can feel them every time you climb stairs, walk uphill, and even when lounging—the weight makes you very aware of their presence. Lightweight footwear, on the other hand? It can make you forget you’re even wearing shoes.  That barely-there feeling is a huge reason why shoppers turn to the Hoka Mach 6 sneakers . Weighing just 8.2 ounces, the style is one of Hoka’s lightest sneakers, making it a springy, go-to walking shoe. In fact, one five-star review at Amazon  describes the sneaker as feeling like she’s “ walking on air .”  Credit: Amazon Unlike some of Hoka’s other models, the Mach 6 isn’t bulky at all.…