The exclusive Diamond-Tac gripping pattern increases grip strength & helps fight hand fatigue. The ergonomically cut palm pad provides complete protection without unnecessary bulk & the synthetic leather developed for military applications provides indestructable palm construction suited to be machine washed & dried. All Diamond Tac Gloves come with the Go Fit interactive 12 week workout CD. This CD configures a personnel 12 week workout & shows proper form for recommended lifts & a nutrition section chalk full of excellent nutritional tips