Mares Pure Instinct Razor Fixing Kit (single fin) Copied-from-Scuba this means those panels are

this means those panels are not subject to wind-chill

Xcel 1mm Reef Walker Bootie Features:

no neoprene on the elbows and knees gives you full freedom of movement and puts less resistance on the shoulder

The clarity of this composite blade is unmatched and achieved through Penetrator Fins unique process and the use of high-quality raw materials

Mares Pure Instinct Razor Fixing Kit (single fin) Copied-from-Scuba this means those panels areThis fixing kit for the Mares Instinct Razor is intended to secure your fin blade to your foot pocket to ensure it doesn't just slide straight out in the water. Fixing kits are an essential part of replacing old fin blades or foot pockets. Made from a sturdy plastic material, this fixing kit will last with your fin blade and foot pocket. Please note: Fixing kits are sold individually