The Evolution Series, available in four sizes, features the strongest and one of the most stable walkers on the market today. Every Evolution model uses 1-1/8” cold rolled steel tubing, the same material used in mountain bike fabrication. Strong 1” tubing is used on the handles, every fastener is stainless steel or plated against corrosion, and the frame is powder-coated with UV protection against fading. All plastic components are molded utilizing the toughest plastics capable of withstanding temperatures up to -40⁰C. The Evolution model offers unmatched stability for users suffering from neurological conditions such as Multiple Sclerosis and Parkinson’s, in addition to arthritic and stroke conditions and users with wide gates. The Evolution series also include the largest baskets available anywhere.