ASICS via Rakuten offers the Onitsuka Tiger Unisex Dualio Shoes in Black/Silver for $24.99 with free shipping. That's $50 off and the lowest price we could find. They're come in men's sizes 4.5 to 13.
Note: You'll also receive $6 in Rakuten Super Points if you purchase by November 9.
You very likely are putting your laptop battery into an early grave.