Klein Tools 60570 Hearing Protection Ear Muffs, NRR 27dB, Ultra-Slim Over-the-Head Adjustable Safety Earmuffs for Loud Jobsites

27dB NRR HEARING PROTECTION: Over-the-head earmuffs reduce noise on the jobsite and loud environments, LOW-PROFILE EARMUFFS: Ultra-slim and lightweight earmuff cups provide comfort for prolonged wear, ACCOUSTIC SEAL: Soft-foam cushions offer good seal for hearing protection, DURABLE CONSTRUCTION: Headband made from a flexible TPE material to withstand rugged jobsites, ADJUSTABLE HEADBAND: Headband extends for a personalized fit, EASY STORAGE: Foldable earmuff cups for compact storage and convenient portability on the go, VENTED HEADBAND: Venting in headband improves airflow and allows you to wear with caps