The Crotch Strap from Baltic can be fitted to their range of buoyancy aids or lifejackets and then retrofitted to many other brands
The Crotch strap simply loops onto the rear webbing belt and then either onto the front of the belt or some models are equipped with a webbing placement or attachment
Ideal for some extra security to stop jackets riding up
Available in two sizes (Relates to thickness of the webbing)
20mm Ideal for children and smaller sizes
30mm For lifejackets or larger sizes
Both are adjustable and recommend cutting off any excess so it doesn't get in the way