Highlights This Hydration Backpack works perfectly with most 2L hydration reservoirs and securely stores all of your precious belongings Product Details Outdoor Products Hydration Pack with Hydration Bladder options Hydration Backpack Elastic sport mesh helmet harness Compatible with most 2L hydration reservoirs Fits most 15” laptops Zippered sunglasses compartment Front pocket organizer Side compression straps to stabilize your load Buckle on the shoulder straps Padded cooling back channel to keep you cool and comfy Elastic helmet carrier stows away while you’re not using it Materials: polyester with polyurethane coating Dimensions: 7.00” x 5.00” x 17.40” Water Bladder 2-liter capacity Low profile cap packs easily into bags Reservoir adapts to most hydration packs Screw-in bite valve with soft flexible tip and on/off valve Wide mouth opening great for ice Removable hose for easy cleaning Materials: BPA-free silicone Dimensions: 3L: 9.00” x 1.20” x 16.50” 2L: 8.00” x 1.20” x 15.20” For post-purchase inquiries, please contact customer support. View the Goods FAQ to learn more. Fine Print FINAL SALE; no returns unless defective Most orders are delivered within 7 business days from the purchase date. Shipping questions? Does not ship to PO boxes/AK/HI/Puerto Rico How is the strike-through price determined? Offer is not eligible for our promo codes or other discounts. Groupon Customer Reviews1.97 Groupon Ratings1.9Average of 7 ratings14%29%57%This deal doesn't have any written reviews yet.Earned when a user has written 5 or more reviewsWant to earn this badge? Share 3 or more photosEarned when a user has gotten 2 or more helpful votes