Hermes Bouncing Sneaker Men Calfskin Perforated Calfskin Noir H261895ZH01390

Perforation is usually decoration; on this pair it is ventilation you can feel. Calfskin takes the main body and perforated calfskin the panels where feet overheat, the pinholes arranged so tightly that the effect reads as texture from a metre away and as engineering up close. In summer, the difference between these and a solid leather sneaker is real.

The rest of the shoe is fully black, a rarity in the range: black rubber sole instead of white, black and white inserts, black lamb’s skin insole and lining, recycled black fabric ribbon at the heel. One pair of black laces and one pair of white ship with it, and the white pair turns the shoe into a different animal, brighter and more athletic. Men’s 40 to 46, made in Italy, four centimetre sole.

I wore mine through a hot city month, and the perforated panels kept the shoe from turning into a sauna, though they work best in motion; idle afternoons in close air feel much like any other leather shoe. In a month that topped thirty-five degrees, it earned its keep.

Honest trade-off: perforation is a two-way street. Rain comes in through the same holes that let heat out, so this is not the pair for a wet commute on a day you cannot dry your feet. Also, the white inserts on the black sole scuff to grey at the corners, a small matter, easy to live with.