Nathan Lightbender Rx Size:O/S you get an engineered knit

you get an engineered knit upper and a moulded heel collar

Move from apprehensive to assertive with the GT-2000® 13 (Narrow) shoe’s 3D GUIDANCE SYSTEM™ technology

The increased rocker allows for a smoother heel-to-toe transition

PUMAGRIP: Lightweight rubber outsole provides grip for your most powerful toe-off

and simply slides over your dog's neck for hours of nighttime fun & safety

Nathan Lightbender Rx Size:O/S you get an engineered knitThree colors are better than one! Change colours as you like on this lightweight, comfortable, and durable armband, switching between red, green, and blue. You can even choose between a blinking and steady state light pattern, for added visibility. Also new to the LightBender RX is a Li ion battery that allows for convenient USB charging. This versatile armband is also sweatproof, waterproof, and chafe free. Lightweight and comfortable 6 lumen lighted