They have flexible knuckles, adjustable closure, breathable knit, and the perfect grip for all weather conditions! Fabric: 37% Silicone, 36% Polyester, 15% Polyurethane, 7% Spandex, 5% Neo, 75% POLYESTER, 20% SILICONE, 5% Neoprene Flexible Knuckles with mesh allows natural movement Adjustable Closure creates a personalized fit Breathable Knit promotes airflow for ventilation for all-weather grip