Description – Millennial In-Motion Forearm Tall Crutch: Available in black, blue, and red. Our spring assisted technology absorbs impact and returns positive energy to assist the user. The crutch is designed to support good posture and the ergonomic hand grips keep the wrist in a natural position, avoiding the “kinking” that occurs with traditional crutches. With a tips that last 35% longer than traditional tips and the strut made from aircraft grade aluminum that can support users up to 400lbs, these crutches are made to last. The Short In-Motion Forearm is as follows – Floor to Handle adjusts from 28″ to 40″ with 13 different height positions. The forearm cuff also has 4 height positions, to allow the cuff to be in a comfortable position. SIZING – Grip a pen or pencil in your hand. Standing upright with good posture, measure from the floor to the pen or pencil gripped in your hand. Using this measurement look at the range of handle heights between the short and tall forearm crutches, wherever your measurement falls is the crutch size you should use.