Foil Miniboom Platinum SLS SS23 With its 25mm diameter carbon shaft, the Platinum SLS instantly enhances control over your wing and provides direct handling. The narrower diameter enhances comfort and reduces fatigue in your forearms, especially in cold conditions. The Platinum SLS Miniboom features an optimized end piece which is compatible with all Slick models. Once youve gone to the slimmer SLS boom you dont want to step back to anything else.