Pearl Izumi - Ride Men's Transfer Short Sleeve Top 70% Mineraletm 27% Polyester 3% Elastane Imported Activated Charcoal integrated into the yarns used in front panels to speed dry time even more Spring/summer 2016 Transfer dry fabric provides Optimal moisture transfer for quick dry performance; Cycling Specific, close to body, anatomic fit Patent pending anatomic speed sleeve construction for best shoulder fit in the cycling position Soft merrow seams for next to body comfort