About this product: A larger size has been added to the "Sliet Y-Type," which was created with inspiration from the basic standing yoga pose "Mountain Pose." These are indoor slippers that you can incorporate into your daily life and use to train your core simply by wearing them. With a unique inclined sole and insole, your entire foot supports the ground, and just by wearing them, your posture will straighten. Experience a feeling of composure, just like when you're doing yoga. [Core Strengthening with Inclined Insole] By strengthening your core, you can expect effects such as improved posture, better appearance when standing, and easier, more stable movement. You can train your core at home just by wearing these slippers, which are essential for our daily lives. [Creates Foot Arch, Important for Walking] The arch of your foot helps to cushion the impact from the ground. Sliet Y-Type's insole has bumps that increase the grip on the ground and strengthen the arch of your foot. Suitable size: 25.0~27.0cm Product weight: 275g Materials: [Body] Polyurethane, Polyethylene [Foot bottom] EVA resin Description: Incorporate into your daily life and train your core just by wearing them. A larger size has been added to the "Sliet Y-Type," which was created with inspiration from the basic standing yoga pose "Mountain Pose." While it's a simple way to stand, it has the effect of improving posture. With a unique inclined sole and insole, your entire foot supports the ground, and just by wearing them, your posture will straighten. Experience a feeling of composure, just like when you're doing yoga. Point 01: Be aware of your core The inclined slope naturally shifts your body's center of gravity backward. Point 02: Insole that grips the ground with your entire foot Grip the sole firmly with three points: the base of your big toe, the base of your little toe, and your heel. By being aware of these three points, the arch of your foot will lift, creating an arch. ・The three-dimensional insole fits your foot. It's designed to be hard to slip off and to reduce foot fatigue. ・The bottom surface is non-slip. We inspect the items, but they are still considered used, and there may be various conditions that differ from when they were new. Please consider this before purchasing. In addition, to prevent any trouble, we do not accept questions or returns regarding the product after purchase. Please ask any questions and be satisfied before making a purchase.