Poly-fabric construction is lightweight, moisturewicking and durable. Cut longer in the rear area for compatibility with Alpinestars MTB pants and shorts. Stretch collar neck construction for fit and comfort. Fade resistant sublimated graphics. Part Number: 1762819 Barcode: 8059175164958, 8059175164941, 8059175164934, 8059175120411, 8059175164927 Product Code: ALP JS RAC