Montane Gecko VP 12+ - Unisex\'s Mountain Running Vest Pack Made for runners by runners, the GECKO VP 12+ builds on 100,000\'s of kilometres of experience. An improved, anatomically driven body hugging fit that\'s as secure as a Gecko! With increased accessible storage and POLYGIENE® permanent odour control you now wear, rather than carry your kit when moving fast on trails and in the mountains. The ultimate lightweight race-day and training vest pack. This pack helps you push your limits and keep you there. Features: MONTANE FREELIGHT Chassis Vest RAPTOR Flex 4-way 40:30 stretch main body fabric CONTACT MESH HARNESS: CONTACT Air Mesh Plus on the harness ODOUR CONTROL FABRIC: POLYGIENE® permanent odour control TOP POCKET: Flat back stretch sleeve pocket for easy access VERSATILE STORAGE: Multiple easy access the harness pockets for food, hydration and essential kit STRAW COMPATABILITY: Compatible with Montane UltraFlasks™, SoftFlasks™, Straws and Hydration bladders BOTTLES INCLUDED: 2x 500ml Montane UltraFlasks™ included FRONT STRAPS: Stretch lower ACTIVE Strap for secure harness closure and quick release 2 minimalist stretch chest straps with multiple attachment points MULTIPLE POLE ATTACHMENT POINTS INTEGRATED BUNGEE: Integrated bungee for external storage or compression 4 WAY STRETCH RAPTOR: RAPTOR Flex 4-way 40:30 stretch fabric pockets accommodate expansion while minimizing bounce KET/CARD POCKET: Internal key clip and removable whistle STABILITY: Stability control construction Weight (approx): 265g  /  9.4oz Size Chart: Unisex VIA packs and Vests Due to the close-fitting nature of these packs and vests, we use the chest measurement to determine the correct size. UNISEX PACKS S  M L Chest Size 76 - 92 cm 30 -36 in 88.5 - 102 cm 35 - 40 in 99.5-114.5 cm 39-45 in