ALPINESTARS Phenom Gloves - Black/Black - Medium 3501723-1100-MReinforcing the soft goat leather chassis is synthetic leather and suede on the high impact and abrasion prone zones like the side hand, cuff, and thumb Premium soft goat leather construction palm, top hand and backhand Ergonomic stretch insert between palm and thumb Synthetic accordion inserts and stretch fourchettes in between the fingers Stretch fourchettes and control fingers flex zone Cuff, thumb and landing zone padding with side hand