Your search for sennheiser noise cancelling headphones returned the following:

NoiseGard™ noise compensation headphones

IN STOCK

37 people say 

• around-the-ear design
• noise-canceling circuitry with up to 23 dB attenuation of ambient noise
• "TalkThrough" button lets you have conversations without removing headphones

Noise-canceling earbud headphones

IN STOCK

• NoiseGard™ Digital active noise-canceling technology reduces distracting external sounds
• 3 digital noise canceling modes to optimize performance in different listening environments
• TalkThrough function lets you hear outside sounds for brief conversations without removing headphones

Noise-canceling headphones with in-line volume control

IN STOCK

3 people say 

• compact, folding, on-the-ear design
• active noise-cancellation reduces background sound
• frequency response 10-21,000 Hz

Noise-canceling Bluetooth® wireless headset with aptX® high-fidelity wireless audio capability

IN STOCK

1 person says 

• Bluetooth® wireless operation with advanced aptX audio circuitry for streaming high-quality stereo sound from aptX-enabled devices
• NoiseGard 2.0 noise-cancellation technology provides up to 90% active noise cancellation
• rechargeable battery and multi-country charger included

Sound-isolating earbud headphones

IN STOCK

• ultra-high performance in-ear design
• continuously variable sound tuning control for precise adjustment of bass response
• up to 26 dB of ambient noise attenuation

Sound-isolating earbud headphones

IN STOCK

1 person says 

• sound-isolating in-the-ear design with behind-the-ear cables
• interchangeable ear tips for a comfortable fit
• sound-isolating design seals out ambient noise for a for a quieter listening experience