GORE WINDSTOPPER Inner Pants, Size M, Black - Brand: GORE - Product Name: ESSENTIAL BASE LAYER WINDSTOPPER Boxer - Product Type: Inner Pants (Base Layer) - Style: Shorts - Color: Black - Size: M (Asia Size) Unused. Since it uses Windstopper, I think it will block most wind. I think it's perfect for people who do sports in winter, not just cycling. It's old, but a similar model is sold on Amazon for 11,686 yen.