Specs:
Articulated for Increased Flexibility
Light, Flexible Design for Ultimate Comfort
Highly Breathable Fabrics
Super Durable Outer Shell Fabrics
Top and Bottom Straps for Perfect Fit
 
Lightweight, flexible and comfy.  The pads are great for keeping knee and elbows safe from unexpected slams. Great for beginners who need comfortable gear and super for intermediate/expert riders that prefer lightweight pads.
 
To figure out what size you need measure the circumference of your elbow at the elbow joint and compare your measurement to the sizing guide.