Alpinestars GP Plus Leather Pants Built with premium protection in mind, the Alpinestars GP Plus Leather Pants are purpose-built for sport riders who get out on the twisties or get a knee down on the track. Combine these pants with the GP-Pro, GP-R, or GP Plus Leather Jacket for the ultimate level of security against the asphalt. Multiple-stitched main seam construction for maximum tear resistance and Alpinestars' one-piece, CE approved GP-R knee/shin protectors feature a floating construction for precise fit. Accordion leather knees flex zones as well as stretch waist bands and sliding hook waist closure offer precise fit. Full internal lining with stretch panels inserts and outer stretch zones for enhanced fit. Features Contoured, lightweight mesh calf cuffs Constructed from premium 1.3mm full-grain leather Waist connection zipper allows attachment to selected Alpinestars leather and textile jackets. Integrated coccyx and hip protection zones with PE foam padding. Alpinestars PU Sport knee sliders.