Inov-8 Adult Race Ultrashell Jacket 100% Polyester Imported 2.5-Layer waterproof fabric with 10,000 that and that and 10,000 b-1 breathability with taped seams 4-way stretch, transparent fabric - race number visibility Elasticated cuffs and hem Deep center front YKK aquaguard zip with internal Storm flap and Dual locking zip heads Thumb loop at cuff