Nathan Trail Mix Plus Running Belt with 2 Bottles - 600 mlNathan Trail Mix Plus Running Belt with 2 Bottles 600 ml The best selling, fully adjustable, bounce free, two flask hydration belt on the market. Ergo shaped, soft monofilament belt offers multi directional stretch that eliminates bounce. SpeedFit holsters provide easy, one handed, on the fly access to hydration and nutrition. Two 10oz 300mL Flasks Closure type: Push Pull caps. Zip pocket with key ring clip and front stash pouch for gels Compatible