Turn running into gliding. Lace up in these men's Experience Flow 2 running shoes from Altra. Landing in smooth black, these runners have a breathable mesh upper with synthetic overlays. Padding around the collar keeps you supported. Underfoot, chunky Altra EGO P35 foam is springy to keep you moving forward. A grippy rubber outsole delivers firm traction. Tonal branding signs them off. Material: Textile & Synthetic Upper/Synthetic Sole. Effortless strides meet sleek performance in Altra’s Experience Flow sneaker. A low 4mm drop and rocker shape geometry deliver smooth, efficient transitions, while engineered mesh keeps things breathable. The FootShape fit gives you room to move naturally—whether you're clocking solo miles or leading the run club charge. Engineered Mesh Uppers, Moulded EVA Foam Midsole, Rubber Outsole, FootShape Fit, Lace Up Closure, 4mm Heel Drop, Branding Throughout, Product Code: AL0A85RE-001, Altra, Shop All Men's Sneakers. Altra Men's Experience Flow 2 Sneaker Black/Black. Experience a new high in a shoe designed to deliver effortless, efficient strides for euphoric miles. It’s the first Altra shoe with Altra EGO™ P35 midsole foam, designed for lightweight efficiency, performance, and comfort. An updated heel fit and re-designed upper with engineered mesh improves breathability. With a low 4mm drop and rocker shape geometry, it’s a shoe made to help you experience an efficient toe-off and a smooth, quick roll through every stride. It’s got a roomy toe box and secure midfoot, so you have plenty of room to help your toes move more freely. That runner’s high you’re always chasing? It’s right at your fingertips in the Experience Flow 2.