Based on this product's specifications, here are some alternatives and similar models
Inversion Shoes TEETER TEETER B31002, TEETER EZ-Up XL adjustable design for inversion boots
Summary description:
TEETER EZ-Up XL inversion shoes (model TEETER B31002) are designed for use with inversion equipment and inversion boots. The adjustable design allows a customized fit for secure attachment during inversion therapy and stretching. Suitable for home or clinic use, they enhance comfort and stability during decompression and spine-mobility exercises.