Muscle Back Technology Allows extended range of motion with upper-body flex and reduced arm binding Durable Water Repellent surface coating Sheds snow, sleet or drizzle even after multiple washings Brushed 12-ounce Super Duck cotton/poly material Two degrees thicker and tougher than industry standard 60-gram Sherpa fleece interior Traps thermal heat in rough weather conditions Three-panel hood for greater peripheral vision Increases sight lines when looking sideways Sleeve articulation for added range and reach Concealed storm cuffs for a tighter seal Stealth security interior pockets stow key items Triple-needle stitching is three times durable Stash chest pocket with reflective trim Heavy rib waistband