Details Brand Ultraspire Model Velocity Vest Use Hydration Key FeaturesComfortabilitySizeAccessoriesUseDurabilityBreathabilityPriceBottom Line Key Features Key Features • Dual Max 02 Sternum System improves range of motion• One large, 2.4L main compartment large enough for a change of clothes, headlamps and other necessities• Outer gear loops for trekking poles, ice axes, and other stabilizing items• Honeycomb mesh design made of microfiber polyester maximizes comfort and breathability• Capacity for 2L water bladder (not included) Comfortability Comfort The bottles...

Details Brand UltraAspire Model Zygos 2.0 Use Hydration Key FeaturesComfortabilitySizeAccessoriesUseStyleDurabilityBreathabilityPriceBottom Line Key Features Key Features • 2-liter hydration system built into a vest• Quiet, bounce-free zipper pulls• Zig-zagged stitching for ultra-durability• Magnon pockets with automatic magnetic closure• Materials are abrasion- , water- , and tear-resistant Comfortability Comfort Coming in three different sizes (small, medium, and large) for maximum comfort, the Zygos 2.0 provides a solid, snug fit that is breathable while remaining highly secure. Runners...

Details Brand UltrAspire Model Spry 2.0 Use Hydration Key FeaturesComfortabilitySizeAccessoriesUseStyleDurabilityBreathabilityPriceBottom Line Key Features Key Features • Multiple pockets for hydration and race day essentials• Rear bungee cords• Microfiber polyester• Large holed mesh for added breathability• Unisex and universal sizing• Compatible with 1-liter bladder and 2 550ml soft flasks (sold separately)• Easy front bungee closure system Comfortability Comfort Runners reported that this vest was so comfortable that they could forget that they were even wearing it...

Details Brand UltrAspire Model Alpha 3.0 Vest Use Hydration Key FeaturesComfortabilitySizeAccessoriesUseStyleDurabilityBreathabilityPriceBottom Line Key Features Key Features • Numerous pouches and pockets for easy storage• Two 550 milliliter water bottles• Lightweight and breathable construction with mesh fabric• Bungee cord straps and magnetic clasps• Total weight of 12 ounces Comfortability Comfort Perhaps the most significant advantage offered by this product over other trail belts and backpacks is how comfortable it was designed to be. This seems to...

Details Brand Nathan Model Fireball Use Hydration Key FeaturesComfortabilitySizeAccessoriesUseStyleDurabilityBreathabilityPriceBottom Line Key Features Key Features • Lightweight and breathable construction• Pouches for water storage on shoulder straps and rear• Includes two 12 oz SpeedShot flasks• Fits water reservoirs of up to 2 L• Pockets can be used for storing other items Comfortability Comfort Many of the features implemented by Nathan into the development of their Fireball running vest that is intended for providing benefits in weight,...