This is a set of 4 masks. The regular price is 900 yen per mask. After purchasing, please choose 4 colors and sizes from the list below and leave a comment. Available Colors and Sizes: Black ML White ML Gray SML Navy ML Pink SM Light Brown SML Somatic HYBRID FACE COVER MASK for gym, washable, reusable, comfortable, breathable, smooth mesh mask for training, running, gym, yoga, weight training, unisex. In January 2022, the somatic mask was featured in the "TOOL&RULE TO BE IDEAL BODY" catalog, a body-building plan gear catalog in the health and exercise information magazine "Tarzan"! This mask is specifically designed for sports and gym use, providing comfort during training. It uses highly breathable material that prevents stuffiness. The soft material is gentle on the ears, and it features a stylish design created with cutting-edge techniques. It can be used in a wide range of situations, regardless of age or gender. *The appropriate mask size may vary depending on the size of your face. Also, the size will differ depending on whether you prefer a looser fit or a snug fit. *Due to bias cutting (a technique of cutting fabric diagonally), the size may vary slightly. Additionally, sizes may differ depending on the measurement method and the stretchability of the fabric. Please understand this in advance. NIKE adidas THE NORTH FACE