FEATURES. Reinforced base. Stable base. Water-repellent base. Inner compartment. Document compartment inside. Binder-compatible main compartment. Front pocket with zipper closure. Flexi spring steel frame. Rain cover sold separately. Reflective details. Lumbar pad for effective load transfer. Helmet attachment clips. Made without PFAS. Key clip. 2-way adjustable sternum strap. Unisex fit. Top-loader with zipper closure. Bluesign® product. Adjustable & detachable waist belt. ClimatePartner certified product. Green Button certified. Valuables compartment inside. Ergonomic & padded shoulder straps. Organizer unit. Contact back system. Zipper closure. Adjustable carrying strap. Bluesign® certified body fabric. Stabilizer straps. - 600D PES REC BS. 330D TEXTURED WEFT REC PA. D stands for Denier. - a unit of measurement for yarn weight. 600D means that 9,000 meters of yarn weigh 600 grams. The higher the value, the more robust (and often heavier) the material. PES stands for Polyester. Polyester fibers are highly tear- and abrasion-resistant, easy to care for, and absorb very little moisture. PA stands for Polyamide (also known as nylon). Polyamide fibers are especially durable, elastic, and lightweight. - ideal for textiles subject to high stress. REC stands for Recycled. - the material is made entirely or partially from recycled resources. BS stands for bluesign®-certified. - the material has been produced in an environmentally friendly and sustainable way according to the bluesign® standard.