EXTREME FIT & FUNCTION Rival's version of the Velcro sparring gloves. -1.0 mm full grain all-leather construction Rival's Ergo Xtrem Strap System. -15 angled Strap at wrist for anatomical fit. Ultra-comfortable laminated layered inner lining Over 40 mm of layered foam padding.-Unique Conic design and snug fitting long cuff for optimal wrist support The glove that started the revolution