Spark ST Whammy Bars Shirts which science says has a

which science says has a calming effect on our brain activity

a protective nose guard and a heavy duty nylon Zip (non-corrosive)

Small/Medium fit

Tech Specs:

Spark ST Whammy Bars Shirts which science says has aOur new ST Whammy Bars feature the same great functionality as our standard Whammy Bars, but have been upgraded with ST Tech. We overmold a section of a proprietary thermoplastic blend, right where the climbing wire contacts the baseplate, allowing for even smoother transitions between 12, 18, and stowed positions. ST Whammy Bars are integrated into our ST bindings. They are offered as a current spare part or replacement. We offer standard Whammy Bar