See the differences between previous weigh-ins to track your progress

Midsole: Firm NITRO foam midsole provides the perfect balance of protection and lightness

Heel contact design creates a larger landing zone for smooth transitions

Convenient mesh bottom tray designed for all the extras you might want to carry

NDurance rubber outsole improves durability in high-wear areas

Amphipod Xinglet Optic Beam Max Vest Color:Hi-Viz/Reflective See the differences between previousStay safe and seen with the Amphipod Xinglet Optic Beam Max Vest! Brighter and more powerful than ever, this reflective vest features front and back visibility for low light conditions. Enjoy 12 hours in solid mode or 23 hours in flashing mode, along with five color options. Perfect for early bird runners or late night grinders, the Amphipod Xinglet Optic Beam Max Vest keeps you safe while you crush your goals! Weighs less than 3 oz. with enhanced