The Pro Bass Series consists of a wider design through the shoulder area, providing added support for the typically heavier bass instrument. Neoprene pad tapers to 3 from 3.5 , and is available in three lengths. Pro Bass Short 33 -37 Pro Bass Long 38 -45 Pro Bass Extra Long 42 -54 Shop like the pros at Sam Ash Music, where discerning musicians go for premium guitar and bass accessories.