UltrAspire Big Bronco 2.0 Race Vest Open Fire The new ADV-C 4D Chassis

The new ADV-C 4D Chassis guides the foot

Recycled fibers

The slope card is great both for detecting avalanche risk and determining how challenging your journey will be

The Boa Fit System makes tightening the boot up easy

215mg sodium

UltrAspire Big Bronco 2.0 Race Vest Open Fire The new ADV-C 4D ChassisThe Big Bronco Race Vest is a 12 liter pack built in collaboration with UltrAspire Elite Athlete and champion ultramarathoner Jeff Browning. The Big Bronco is designed to highlight all of the features of the Bronco race vest but with expanded capacity and accessibility. This vest has a total of 7 accessible pockets on the go, includes 2 UltrAspire 500 ml Softflasks, and is capable of carrying 4 bottles and a 2 liter reservoir. While two of those