XMark BioFit Pro Weight Lifting Gloves XM-1101, XMark BioFit Pro Weight Lifting Gloves feature dynamic comfort padding designed to move like a second skin. Strategically placed padding fits the natural grooves and contours of the hand to provide smooth, even contact with your weight bar, dramatically improving grip strength. Performance vented stretch panels keep hands cool and dry. Two strategically placed finger pull tabs allow for quick and easy removal. Protect your hands from blisters and callouses while increasing your performance through innovative technology found only at XMark, the mark of excellence. XMark Glove Fit Guide: Measure circumference of hand under the knuckles, starting between the thumb and forefinger (do not include the thumb). 7.5" - 8" Medium, 8" - 8.5" Large, 8.5" - 9" X-Large, Features: - Available in Small, Medium, Large and X-Large - Strategically placed padding designed to fit grooves and contours of hand as well as common pressure points on fingers - Enhanced breathability vents - Dual finger pull tabs for quick and easy removal - Flexible comfort strap for a personalized fit - Provides superior grip with smooth, even contact - Protects your hands from blisters and callouses and outside abrasions.