Nathan SpeedDraw 2 Insulated Handheld Running Water Bottle Flask 18oz with Double-Wall Insulation, Blast Valve Cap, Phone and Key Storage Pockets, and Reflective Design

This is my third handheld bottle and by far the best. The double-wall insulation genuinely keeps drinks 20% cooler like they claim — ice still rattling around at mile nine. The phone pocket fits my Pro Max with a slim case, and the key pocket means no more tying keys to my shoelaces. Strap is comfortable for the whole run. Zero leaks, easy to clean, reflectivity works great at dawn.

Hydration performance is top tier — cold water for a full long run. The phone pocket is a little tight with a thick case, but it holds everything securely. Blast valve is smooth and leak-free. Overall very happy.

Insulation is the real deal. Phone fits great. Buy it.

The insulation and pockets are genuinely useful, but all that adds weight. On tired arms at the end of a long run I notice it more than my old non-insulated bottle. Water stays cold, which is the main point, so it's a tradeoff I can live with. Quality is excellent.

Carried this through 13.1 miles and never visited a water station. Phone, keys, and two gels all fit in the pockets. The strap never caused any chafing, even without gloves in 40-degree weather. Reflected car headlights at 6am confirmed the 360 reflectivity. Thrilled with it.

Switched from a hydration vest for shorter summer runs and haven't looked back. Cold retention is impressive, cap is easy to open with teeth while running, and the whole thing rinses out easily. Took one star off because the bottle feels slightly wide for smaller hands.

Liked mine so much I ordered a second one. We both use them for weekend long runs and evening walks. The pockets eliminate the need for any belt or vest. Durable, leak-free, and the insulation is noticeably better than our old bottles.

I have an older, larger phone with a rugged case and it simply doesn't fit the pocket despite the product claims. Bottle itself performs well and keeps drinks cold. Frustrated I can't carry my phone, so it's going back.

Was skeptical of the '20% cooler' marketing, but after back-to-back runs in 90-degree heat I'm a believer. Water is still refreshingly cold at the end. Strap adjustment is quick and holds tight. This replaced my hydration belt entirely.

Primarily bought this for trail running but it's become my hiking companion as well. Pockets hold phone, keys, and a snack bar. Durable after a few tumbles onto rocks. Wish the cap were a bit easier to open one-handed, otherwise excellent.