Designed to withstand the rigors of the professional arborist, Sonic Gen II Performance Climbing Pants feature a revolutionary Cordura 4-way stretch fabric. This advanced material combines high abrasion resistance with exceptional flexibility, allowing you to move with ease in the canopy. We've reinforced the knees with Armortex abrasion-resistant fabric and added a DWR finish so it repels water, dirt and oil. We heard from you and ensured the Sonic Pants offer ultimate comfort and ease of movement without sacrificing durability. Notch Sonic Gen II Performance Climbing Pants with high abrasion resistant Cordura 4-way stretch fabric allows greater freedom of movement & flexibility. Excellent breathability DWR finish repels water, oil & dirt. Knee protection manufactured with Armortex abrasion resistant fabrics. Grey coloration keeps garment cool in high temperatures. Zippered angled front pockets with pull tabs. Side cargo phone pocket. Elastic waistband for improved comfort. Aluminum button. Outer Material: 88% Nylon, 12% Elastane with DRW finish. Knee Material: 52% Nylon, 30% Polyester, 8% PU, 10% Elastane