Starting a new routine begins with putting one foot in front of the next. Keep striding strongly in the Under Armour® UA SpeedForm® Fortis 2.1 running shoe!Predecessor: SpeedForm Fortis 2. Support Type: Neutral to underpronation (supination).Cushioning: Lightweight, flexible response. Surface: Road. Differential: 8 mm.Breathable mesh and textile uppers provide structural support. Ultrasonic seams promote a sock-like, irritation-free feel. Lace-up closure. Seamless heel cup locks the foot into place and provides an anatomical fit.Thin tongue and collar. Breathable textile lining. Fixed, molded 4DFoam® footbed conforms to the foot's shape, and features moisture-wicking properties for a cooler, drier feel. Charged Foam midsole supplies cushioning and lightweight response. Strategically-placed rubber at the outsole delivers lightweight, durable performance and exceptional traction. Imported. Product measurements were taken using size 10.5, width D - Medium. Please note that measurements may vary by size.Weight of footwear is based on a single item, not a pair.