SP-3 review Alpinestars’ SP-3 is a lightweight street leather glove for the sport enthusiast. • Full grain leather main construction. • 5 mm EVA padding protects the knuckles. • Padded knuckle and finger protection. • Chamude suede palm reinforcements. • Elastic and Velcro® wrist closure for a comfortable and secure fit. • Pre-curved fingers for great fit, comfort, and grip.