Altra Experience Form Men's Road Running Shoe Gray Green Altra Experience Flow Men's The Backpacker Altra Men's Experience Form Optimize Your Running Sportlink Altra Experience Wild 2 Men's Trail Running Shoes Gray Lime. Introducing the all new Men's Altra Forward Experience, a shoe all about a ride that feels smooth, effortless, and efficient. A low 4 mm drop encourages natural foot position while bringing a brand new running experience to the Altra line. This low drop complements the shoe's rocker shape geometry for an efficient toe off and a smooth, quick roll through your stride. Featuring the same roomy toe box you know and love so you can move as you were designed to, plus an all new lightweight and responsive compression molded midsole foam. Upper Engineered mesh Midsole All new lightweight and responsive compression molded EVA foam Low drop complementing rocker shape Outsole Rubber Heel 32 mm Forefoot 28 mm Offset 4 mm Width D Weight 8. 5 oz 240 g