The Hook & Loop Waist Trainer - Whether you are using it for general shapewear, waist-training or you have just made it through the third trimester, our waist trainer belt ensures you're fully supported. Designed to aid with postpartum and C-section recovery, or to wear under clothing as shapewear daily, this ultra-supportive, adjustable waist trainer is constructed with a double Hook & Loop binding system to ensure you feel good and stay in place all day.