HYDO inner protector, size M. Only tried on and then stored. Inner protection vest equipped with D3O AIR protectors for the chest and spine. Equipped with D3O CP1 L1 for the chest and D3O BP4 L1 for the back (all CE standard level 1). The vest body uses highly breathable mesh fabric that can be worn regardless of the season. I am 169cm tall and weigh 55kg, with a slender build. The size feels just right. No warranty card included. Retail price: 39,490 yen (tax included)