The EasyStand Evolv is the most versatile and comfortable standing frame available due to it's unique modular design. The base unit is functional for many users. A wide range of positioning options can be added for extra support for the most involved users. It is safe, convenient and increases standing compliance. Available in 3 different versions: Evolv Medium: Fits individuals from 4’0-5’6? and up to 200 lbs. Evolv Large: Fits individuals from 5’0-6’2” and up to 280 lbs. Evolv XT: Fits individuals from 6’0-6’10? and up to 350 lbs.