Despite the importance of gender differences in the voice, sociolinguists have not paid sufficient attention to the sociolinguistic processes through which phonetic resources are mobilized in the construction of a gendered voice. This article argues that gender differences in the voice—including those influenced by physiology—are best understood as elements of sociolinguistic style rather than static properties. With a focus on transgender speakers in the early stages of masculinizing hormone therapy, the analysis demonstrates the complex interrelationship of the gendered meanings attributable to characteristics like fundamental frequency and /s/. Trans speakers challenge systems for categorizing voices as female or male, which assume that different aspects of the gendered voice will pattern together in normative ways. Yet a voice's gender is not a unidimensional feature, but a cluster of features that take on meaning only in context with one another, leaving them open for recombination and change through stylistic bricolage. (Transgender, style, gender, voice, pitch, sibilants)