I have seen this at an online store
http://www.quickfindwheelchairs.com/store/09-3776971-B0014GG30K-Deluxe_Bariatric_Two_Button_Folding_Walker_Extra_Wide_Two_Button_Walker_With_Dual_5_Wheels.html .
I believe this is ideal for users who needs a great space. Its specifications include extra wide two -button walker.It has a contoured texture and its heights can be adjusted depending on the user preference. What do you think?