The New Mark Nason National (Black/Navy) Men's Shoes, male, Shoes , Closed Footwear , General Closed Footwear, 12 D - Medium, true, Go for a cool athleisure-look this weekend with the National. Soft and breathable SportKnit mesh fabric uppers in a sporty silhouette. Open-weave panels for added breathability. Elasticized collar with heel tab for an easy slip-on style. Optional laces for a customized fit. Breathable fabric linings. Features an Air-Cooled Memory Foam Lux footbed for added comfort and support. Lightweight shock-absorbing midsole. Flexible rubber outsole. Imported. Measurements: Weight: 10 oz Product measurements were taken using size 12 width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item not a pair.