At first glance the siv is a throwback to a time when gloves were truly simple but under the hood is a thoroughly modern glove with a perforated nylon mesh upper that39s cut to wrap the hand like a second skin and a tailored super fit microfiber palm to enhance grip and control it39s a timeless combination that definitely improves a classic designuppermoisture wicking 4 way stretch breathable meshhighly absorbent microfiber wiping surfacelow profile velcro closurepalmsuper fit eng