What does “W-S” measurement stand for? Customer Service US November 14, 2017 08:49 Updated Follow W-S is the waist to shoulder measurement. The length from your hip bone up to your shoulder bone. Related articles How do I fit my backprotector? Is a junior small the same as an adult small? Which lens should I get? | What does VLT% mean? How do I fit a pair of goggles? How do I size myself for a helmet? Comments 0 comments Article is closed for comments.