Website says they run TTS, I think they run small. I’m normally a small and they’re tight as they are meant to support posture. Better for an XS or less curvy small. They do not allow returns online fyi. Details The new Forme® Boost Short augments the patented technology of our best-selling Ergo and Sculpt Shorts with additional layers of embedded powermesh, a flattering high waistband, and two sleek side pockets. It’s your all-in-one solution for posture, recovery, core and back support on the go. Engineered to reverse pelvic tilt and improve lower back and hip alignment, the Boost Short reduces joint stress by activating core and spinal muscles through real-time biofeedback. The result: better movement, less pain, and a stronger foundation from the core out. Our patented multi-layer mesh high waistband engages your glutes, core, and spine for all-day posture correction and stability — while subtly shaping your midsection with a comfortable, secure fit. Key Features: ✔ Core & Glutes Activation – Supports better alignment and muscle engagement ✔ Postpartum & Back Support – Ideal for recovery and everyday spine care ✔ Low Back & Hip Stability – Engineered for better movement and reduced pain ✔ Dual-Layer Power Mesh – Breathable yet supportive for all-day wear ✔ Patented 4-Layer High Waistband – Sculpts, stabilizes, and stays in place ✔ Extra Side Pockets – Function meets fashion for your essentials