Vest-front comfort with a close-fitting pack for all-day ease on longer trail days.Features Soft, Lightweight and BreathableThe Slope Runner Vest is made of soft and limber 100% nylon ripstop with airy, high-flex monofilament mesh panels that provide exceptional breathability, a cooling airflow and a smooth feel on skin. Low-Profile Stretch PocketsLow-profile, water bottle?friendly stretch pockets on the vest’s front fit a variety of flasks and hand bottles for instant access Dedicated Phone PocketDesigned with a dedicated phone pocket on the chest that keeps your electronic devices within reach Monomesh Back PanelThe hydrophobic monomesh back panel provides maximum airflow and all-day comfort Roomy Main CompartmentThe pack’s main compartment has ample room for extra layers, snacks and a rain shell HydraPak® ReservoirThe 2-liter HydraPak® reservoir is included Four Sizes for a Personalized FitAvailable in four sizes/chest measurements: XS: 30"?33"; S: 34"?37"; M: 38"?41"; L: 42"?48" Country of OriginMade in the Philippines. Weight200 g (7.05 oz) Materials Body: 1.3-oz 100% nylon ripstop with a polyurethane coating and a DWR (durable water repellent) finish Panels: 6.1-oz 100% nylon high-flex monofilament mesh