[CERTIFIED & TRUSTED] Conforms to EN 352-3, delivering hearing protection up to 31dB SNR. Supports compliance with UK HSE noise at work regulations and helps prevent hearing damage. Manufactured in the UK by a British Safety Industry Federation (BSIF) Registered Safety Supplier. [EFFECTIVE NOISE PROTECTION] High-performance ear cups with sound-absorbing foam help reduce noise levels, supporting hearing protection in busy environments. [HELMET MOUNTED COMPATIBILITY] Designed to attach directly to JSP safety helmets and hard hats for a secure, integrated solution without the need for a separate headband. [ADJUSTABLE & COMFORTABLE FIT] Steel arms tilt and adjust to position the ear cups correctly, helping create even pressure and a comfortable seal for all-day wear. [DURABLE & EASY TO MAINTAIN] Hard-wearing, wipe-clean materials with replaceable hygiene kits make cleaning simple and extend product life. [VERSATILE FOR MANY TASKS] Ideal for landscaping, industrial work, workshops and printing environments where noise reduction is needed. [JSP SAFETY Ltd] is a UK manufacturer with over 60 years of experience in professional safety equipment, headquartered in Oxfordshire. As a BSIF Registered Safety Supplier, every product we make is tested, trusted and traceable, giving you the confidence that your PPE exceeds compliance standards, backed by a name the industry has relied on for generations. SONIS is a Registered Trade Mark of JSP Limited.