Women's Hydroback Light-50oz Hydration Pack Size:One Size which sits on sliding rails

which sits on sliding rails and can rotate 360 degrees

Signature Skipstripe inside the collar

this reusable bottle is dishwasher safe

5 Stainless Steel Bearing System

Women's Hydroback Light-50oz Hydration Pack Size:One Size which sits on sliding railsLightweight and Durable Materials Air Support Light Back Panel: Designed with body mapping technology for efficient ventilation and lightweight comfort Ventilated Harness: Lightweight and breathable Secure Zippered Pocket: Perfect for keys, phone, or other essentials Helmet Carry: Stow and secure helmet Adjustable Sternum Strap: Offers a range of adjustments for a custom fit and increased stability Reflectivity: For low light safety Light Loop: Clip