Designed with women in mind, the Speed Lite Pro 17 SL - Hydro offers the perfect combination of comfort and versatility for mountain adventures. The vest-style, perforated shoulder straps are tailored for a woman&';s frame, ensuring a snug, comfortable fit as you move swiftly across the terrain. 2-way adjustable sternum strap, and multiple compartments for all your essentials-hydration, gear, and snacks-you&';ll be ready for any adventure. Plus, the helmet holder docking loops add extra convenience when needed. Includes a 2-liter hydration system made by HydraPakA(R). Features Attachment loops Ice axe and pole attachment on one side Key clip Mesh helmet holder sold separately Pole attachment Sternum strap buckle with one-handed operation Wet compartment inside External compression straps at the sides Soft flask pouches outside Body fabric recycled Zip around opening Front pocket: mesh Top pocket with zipper closure Hip fin pocket with zipper closure Shoulder strap pocket with zipper closure Side pocket: mesh Soft flask pouch on the shoulder straps Perforated shoulder straps Stabilizer straps Lite back system Material 120D PA HT REC R/S * 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.