Ultraspire Legacy Runner's Hydration Lightweight Race Vest - 2.0 Pitch Black, Universal Size (26″-48")

• 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).
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Ultraspire Legacy 2.0 Unisex Lightweight Hydration Pack - Fluid Capacity 4 x UltraFlask 550