Arslan H Physical Layer Security for Wireless Sensing and Communication 2023

• Polar Fleece
  
• WINDPROOF & COMFORTABLE: Stretchable skull cap with polar fleece inner keeps your head and ears warm, avoiding headaches caused by cold wind. Meanwhile, it allows the use of earbuds without pain while running, jogging and walking the dogs（won't tight over the ear）
  
• WARM PROTECTION: Thermal skull cap earflap as a base layer can be worn under the helmet and baseball cap, replaced your bulky earmuffs and you will enjoy cycling, motorcycling and other outdoor sports even in cold weather
  
• SAFETY: Fix your hair in the riding cap to keep sweat from dripping into your eyes and hair messy blocks your view. Reflective strap behind the thermal cap keeps your ride safe at night
  
• LIGHTWEIGHT & CONVENIENT: Cycling skull cap is thin and small enough to placed in your pockets or store on your small bike bag for those moments where you need warmth
  
• MULTI-APPLICATIONS: One size fits for the men, women and youth. ROCKBROS winter ski helmet liner perfect for skiing, snowboarding, plowing, shoveling snow and other winter outdoor activities