Harbinger Men's BioFlex Weightlifting Gloves with Spider Grip Leather Palm (Pair) Dynamic Comfort: Precurved extended length positions and protects fingers Spidergrip Control: Exclusive tactified leather palm grabs bar for ultimate grip control and power Close Contact: BioFlex - All leather, maximum grip on bar. Patent-pending moving palm is next generation glove technology Form Fit: Exclusive dual closure system customizes fit and smoothes palm Peak Performance: BioFlex - Patent-pending layered palm design eliminates bulk and enhances comfort. Acts like a second skin, moving with grip so you can lift stronger, better, longer