Only tried on after opening. Ankle support with a 3-layer structure and excellent breathability, with a comfortable fit at a thickness of 0.9mm. - Brand: RELAXEE - Product Name: Ankle Support - Color: Black - Size: Left Foot L - Features: 3-layer structure, excellent breathability, 0.9mm thin RELAXEE Ankle Support [Recommended by Judo Therapists] Thin, Sports, Fixed, Protective, Non-stuffy, Highly Breathable, Sprain, Arch Support, Daily Life (Black, Left Foot L)