Purchased from an authorized retailer. Currently sold out online. Just by wearing them, you'll be conscious of your core. Slip-ons that achieve beautiful posture. antiqua's sloped sole slip-ons are designed with the heel approximately 1.5cm lower, naturally shifting your weight backward and guiding you towards walking with core awareness. It's easy to engage your lower abdomen, hips, and calves, making it appealing to do "while-you-do" training just by wearing them. The simple black design is easy to match with any outfit and can be used as 2-WAY wear, both indoors and outdoors. 【Product Details】 ・Brand: antiqua ・Model Name: Training Slip-ons ・Size: LL ・Color: Black ・Condition: See images ・Features: - Sloped sole with a lowered heel to promote core awareness - Designed to improve posture and tone the lower body - Soft heel that can be worn like slippers - Lightweight and comfortable for long periods of wear 【Details on packaging and shipping are in my profile】 ↑You don't need to read the description before purchasing (instant purchase is possible) (,,ᴗˬᴗ,,)⁾⁾⁾