Whether you&&';;re pushing the pace or heading out for an easy loop, the Speed Lite Pro 28 SL delivers a secure, women-specific fit for lightweight performance. A close, breathable fit stays stable across changing terrain, and streamlined storage keeps essentials within reach. Built for speed, designed for distance, ready to move. Features Attachment loops Ice axe and pole attachment on one side Key clip Mesh helmet holder sold separately Sternum strap buckle with one-handed operation Lid compartment outside Wet compartment inside External compression straps at the sides Soft flask pouches outside Top-loader with drawcord & lid closure Front pocket: mesh Hip fin pocket with zipper closure Shoulder strap pocket with zipper closure Side pocket: mesh Breathable shoulder straps Stabilizer straps Pole attachment Materials D stands for denier. This describes the yarn weight. 600D corresponds to 600 grams per 9000 meters. * PES stands for polyester. PES fibres are very tear and abrasion resistant and hardly absorb moisture. * PA stands for polyamide. PA fibres are extremely durable and abrasion-resistant. They are also characterized by high elasticity and low weight