The Reactor-2 is engineered for performance in a value driven package. A perfect combination of stretch and durability. Fresh colors and graphics with style that's built to last. Back Zip - Easy Entry Wind-Proof Smoothskin Strategic Seam Placement Adjustable Single Seal Collar Hidden Key Pocket Krypto Knee Padz Flatlock Stitched Breathable Seams UltraFlex Composite