The Immersion Research Thermo Cap has quickly become one of our favorites for chilly water paddling and play boating. The “shower-cap” style Lycra elastic rim helps keep splashes out, helping to protect your ear canals and keeping your head nice and toasty. Low profile 1mm brushed neoprene fits like a glove underneath your helmet.

• Low profile 1mm neoprene
• Elastic fit for less water penetration
• Over the ear design
• Windproof