Velcro closure for easy attachment Secures firmly in any position. Keeps your chest neat and tidy, preventing the collar from falling out. The laces do not get caught in, and it is comfortable to wear without feeling tight. The collar of the Nagusan undergarment and kimono will not fall apart. It can be used for a wide range of occasions, from celebratory wear such as kimonos and yukata. It is also equipped with a Velcro closure, making it easy to use. Since it is made of rubber, it is elastic and fits so it wont become uncomfortable even after standing and sitting. The backside is also sponge rubber, so it does not slip easily.