Innovative microfiber and Polyurethane (PU) grip insert strategically position on palm and thumb for excellent levels of grip control and durability, Alpinestars exclusive ergonomic stretch insert between palm and thumb offers improved range of hand movement and greater sensitivity while operating the bike controls, Ergonomically engineered ARSHIELD reinforcements, consisting of high abrasion-resistant aramidic fiber and polyamide, strategically positioned outer hand with padding on landing zones, Strategically positioned aramid fiber reinforcements