Upper Material: Made of a combination of suede and mesh, offering durability and breathability. Some versions are available in synthetic materials, making them vegan-friendly. Midsole: Features ENCAP midsole cushioning, which combines lightweight foam with a durable polyurethane rim for support and cushioning. New Balance also uses what they call "NCCAP midsole" technology. Outsole: Usually made of durable blown rubber, designed for daily wear and comfort. Additional Features: Often includes reflective detailing for visibility, Ortholite inserts for comfort, and a TPU power strap for a secure fit. The 990v5 also has a plastic panel for lateral ankle support.