The outer cup is made with durable, genuine protein leather, while the inner cup is made with Alcantara - a synthetic material also known as "ultra suede" in the automotive world.

Alcantara is a very soft material, yet moisture and heat resistant, and highly breathable. It still feels warm enough for colder weather but does not become a soppy mess after a sweaty, hot day outdoors. It sits on your ears like fairy dust, gentle and warm.

The inner cushioning also provides more isolation, blocking out more self-noise from blowing wind or headphone cable handling. Even running the earpads still kept our HD25's hugging onto our ears.

YAXI Sennheiser Comfort Earpads combine pressure relief, functional and durability.