Top 2 Best Ultraspire

Ultralight no bounce hydration. Extremely breathable. Bottle based hydration. Small footprint. Trail Running Pack.

ErgoFit Waist - Our waist packs have seen unprecedented amount of attention from start to finish. A waist pack enhances performance with heat regulation, conserves energy due to load placement, and is designed to sit so stable it goes unnoticeable on the body.. Strategically Developed - Dual-sided adjustment for good sizing range with single speed hook access for taking waist belt on and off. Strategically placed compression allows for options in bottle size. No-slip breathable webbing allows for better heat dissipation.. Carry Everything You Need - 4-way stretch mesh pocket is large enough for cellphone or energy foods with tuck-away jacket straps perfect for extra clothing or Z-poles. Small flat zippered pocket next to holster to secure keys or other essential items.. Fluid Capacity - 2 UltraFlask 550 included BPA-free, Phthalate-free, and PVC-free.. RECOMMENDED USE - Racing and training 1-2 hours between refueling stops..

ErgoFit - The human body shape is complex with intricate detail and function. The same attention to detail is present in the design of our packs to enable precise movement, contact, and weight distribution which ensures that there is never any inhibition to the biomechanics of the human body.. On-the-go Pockets Distributed Weight - The pack is built with efficiency in mind, designed to ensure that you can access all core components on the go with little energy expended. The waist packs are designed with a 23 13 weight ratio creating more stability with less tension and balances the weight naturally. The lower load placement allows for a better center of gravity and efficiency on technical terrain.. Ultracool Light Mesh - This flex mono mesh remains very lightweight during long and hot endeavors. Breathable yet durable, this meshs build quality adds resilience to your pack without compromising weight.. Max02 Sternum - The Max02 Sternum is a shock cord securing system that helps create a comfortable natural breathing pattern while at the same time keeping the pack secure. The shock cord allows for stretch outward and 100 rebound which keeps the pack snug against your body empty or fully loaded with no restriction of movement. Fluid Capacity 4 x 550 mL UltraFlask Sold Separately.. Durable Light Weight Fabrics - Materials are selected for their high strength to weight ratio and deliberately placed and constructed for maximum durability. Abrasion-resistant fabrics withstand areas of terrain contact. Reinforced panels are strategically placed at high-stress points..

FEATURES - 2-type fiber system that helps disperse moisture XT Mesh wicks and evaporates moisture Lightweight, energy-conserving, large-scale hip-leveraged pack Insulated bladder compartment to keep fluids cool or hot for an extended period of time Small footprint, reduces contact for better cooling. ERGOFIT - Our ErgoFit design promotes freedom of movement and Stability by considering and conforming to the shape of the human body. The ErgoFit S curve shoulder straps allow your arms to move freely while reducing neck and shoulder fatigue. MAX 02 XT STERNUM - For unrestricted breathing while maintaining a stable pack. Uses shock cord with good stretch for unrestricted breathing but also good rebound on the stretch for a stable ride. HIGH CAPACITY - A removable frame that increases load-carrying capacity when inside the pack or can be removed for the less taxing endeavor Expandable quick stash pocket to carry essentials and many sweat proof and rapid access front pockets. EXTREME LINE - Sometimes you just need more. The Extreme Line was created with the deep adventurer at heart. These products are built to last with durable material, stronger breathable mesh, and function for any adventure scenario. This category goes beyond running and hiking and branches into mountain biking, rock climbing, skiing and so much more. The Extreme Line adopts the minimalist mindset of one item that does it all, and does it well.

FEATURES - Quiet, bounce-free, lightweight, soft and non-abrasive against skin and clothing its breathable but strong, large-holed mesh pulls moisture away from the body to keep skin dry and cool. FLUID CAPACITY - Compatible with 2 UltraFlask 550 mL bottles not included and a 1 L reservoir not included. MAX 02 STERNUM - For unrestricted breathing while maintaining a stable pack. Uses shock cord with good stretch for unrestricted breathing but also good rebound on the stretch for a stable ride. CARRY EVERYTHING YOU NEED - Rapid access pocket and let the consumer decide what goes in, such as gels, foods, pills, electrolytes, keys, a cell phone or any other small personal device, a credit card or money, and even light clothing. RECOMMENDED USE - Flexible for light and fast ultra-races with frequent refueling stops ideal for runners who prefer to carry their own supplies during a marathon or a half marathon.

Features - 550 mL Fluid Capacity Simple pushpull nozzle with high flow Soft and comfortable against the body Ultra squeezable with quick recharge.. Hydration Vest Compatible - Easily accessed and returned to a vest pocket, even when empty, and great for waist packs, too. Easy to Clean - Hand-wash. Due to the nature of this ultra-squeezable bottle, it is not recommended for dishwasher use.. 100 BPA PVC Free - Taste and odor-free No harmful chemicals Phthalate-free. Made In The USA - Food-grade LDPE..

FEATURES - Slide Seal opens wide for refilling, and seals tight Simple Plug-N-Play tube attachment. PREMIUM QUALITY - The whole hydration bladder is made of premium by HydraPak. EASY CLEANING AND FILLING - Its slide seal opens wide for refilling, and it seals tight It turns inside out for easy cleaning. SPECIFICATIONS - Reservoir comes in 1 and 2 liter sizes 516th diameter tubing for high flow Tubing comes standard in UltraRed. 100 BPA PVC FREE - Taste and odor free No harmful chemicals Phthalate Free.

Champion Ultramarathoner Collaboration The Bronco Race Vest was built in collaboration with UltrAspire Elite Athlete and champion ultramarathoner Jeff Browning.. ErgoFit - The human body is complex with intricate detail and function. The same attention to detail is present in the design of our packs to enable precise movement, contact, and weight distribution which ensures that there is never any inhibition to the biomechanics of the human body.. Configured Pockets for Compatible Bottles The Bronco has a 5 liter capacity and a pocket configuration ready to carry a variety of hydration options including a 1 liter reservoir. The front harness features 4 pockets that are built from 4-way stretch mesh. Bottle Compatible not included UltraFlask 550, Formula 250, Human 20 oz 2.0, 1L Reservoir 2.0, or Collapsible Bottle.. UltrAcool Light Mesh The UltrAcool Light Mesh on the back panel eliminates any discomfort when fully loaded. Accessing the back compartment is made easier by a soft foam flare which extends up, guiding your hands into position. The back panel also houses a sweat proof pocket.. Max O2 Form - For unrestricted breathing while maintaining a stable pack. Uses shock cord with good stretch for unrestricted breathing but also good rebound on the stretch for a stable ride. Patent Pending..

ERGOFIT - The human body is complex with intricate detail and function. The same attention to detail is present in the design of our packs to enable precise movement, contact, and weight distribution which ensures that there is never any inhibition to the biomechanics of the human body.. MAX02 WAIST SYSTEM - The Max02 System is a shock cord securing system that helps create a comfortable natural breathing pattern while at the same time keeping the pack secure. The shock cord allows for stretch outward and 100 rebound which keeps the pack snug against your body empty or fully loaded with no restriction of movement. 4 x UltraFlask 550, 2 SoftFlasks, 2L Reservoir 2.0 NOT INCLUDED.. ULTRACOOL LIGHT MESH - This flex mono mesh remains very lightweight during long and hot endeavors. Breathable yet durable, this meshs build quality adds resilience to your pack without compromising weight.. ULTRACOOL LIGHT MESH - This flex mono mesh remains very lightweight during long and hot endeavors. Breathable yet durable, this meshs build quality adds resilience to your pack without compromising weight. Weight 11.2 oz 318g.. VERSATILE VEST - The Legacy 2.0 Race Vest is a versatile pack that can meet entry level through championship needs Safety stitched bar tack on all stress points Quiet, bounce-free, easy to see and use, zipper pulls Zig zagged stitching over elastic for ultra-durability, increased stretch and rebound Plush feeling micro-fiber polyester edges, soft and non-abrasive against skin and clothing Silicone and PU coated feather-weight nylon fabrics resist water, abrasion, and tears.

LOW WEIGHT - Lightweight components and materials create an almost unnoticeable on-the-body feel without compromising durability. FATIGUE FREE - Intuitive settings, large buttons, and quick release buckles. Easy operation for fatigued minds in extreme circumstances. ENDURALIGHT - Sturdy construction and aircraft grade aluminum provide better durability and improved hot and cold tolerance while reducing overall weight. PERFECTANGLE - Easily adjust up, straight, or down to suit your terrain. Illuminate your path while keeping your head and body in a natural running position. SPECIFICATION - Magnetic charging port Spot 3-12 hour burn time, Flood 5-10 hour burn time, Red 8-12 hour burn time IPX8 waterproof rating Color BlackGray Weight 5.3 oz 153g.

ErgoFit - The human body is complex with intricate detail and function. The same attention to detail is present in the design of our packs to enable precise movement, contact, and weight distribution which ensures that there is never any inhibition to the biomechanics of the human body.. Shoulder Straps and Insulated Bladder Compartment - Human shoulders arent straight, so a packs shoulder straps shouldnt be either. Longer straps allow the back portion to sit deeper on the neck to prevent any rubbing. This addition in length helps to create a slope as the straps come over the top of the shoulders and around the neck, following the body's natural curve. Made of Mylar, the insulated compartment reflects and traps temperatures to help keep fluids hot or cold.. UltraCool System - When the human body exerts force, 80 of the power it generates is converted to thermal energy. This means that most of the energy you use when running, climbing, or doing anything else is lost and becomes heat. The hotter you are, the worse you perform. This system allows you to maintain a lower body temperature by dispersing heat during intense activity, keeping you performing at the highest level.. Small Footprint UltraCool Mesh - Anatomically engineered, the pack covers only what is necessary on the body to keep it secure thus allowing for your temperature to remain cooler during heavy energy exertion. The most breathable mesh on the market, this 3-layered, large holed honeycomb mesh is made from polyester which helps to draw moisture away from the skin without absorption.. MAX02 Sternum - The Max02 Sternum is a shock cord securing system that helps create a comfortable natural breathing pattern while at the same time keeping the pack secure. The shock cord allows for stretch outward and 100 rebound which keeps the pack snug against your body empty or fully loaded with no restriction of movement..