Suit yourself. The Navi Oxford is perfect for both work and play with its classic oxford shape and lightweight injection outsole with a serrated tread pattern for increased traction and flexibility. Textile mix upperNon-removable insoleOrthoLite® X40 insole for high-rebound, breathable, long-term cushioning. TOMS run true to size and are available in medium width only. We recommend ordering the size you normally wear. If you are typically in between sizes, we recommend going with the smaller one since TOMS will stretch slightly as you break them in.