At last, I bought a good one. The black one's price was 1,200 yen. The green was 900 yen. The blue was 1,400 yen. But, I could bought them on 50% price because of bargain.
When I wore it, I felt very good. I have to check the wearability.
I often climb mountains in Hiroshima. And I sometimes climb the famous mountains in Japan. Since August 16, 2010