UltrAspire Reservoir 2.0 member_dis_excl Mesh covered die cut foam

Mesh covered die cut foam

this sock offers purpose-driven features that help you get the work done

Features & Fabrics

our oldest (and best) Merino hike sock may be your new favorite

Ideal for travel

UltrAspire Reservoir 2.0 member_dis_excl Mesh covered die cut foamThe 1L 2L Reservoir 2. 0 is made from an FDA approved BPA free Polyurethane material. This material allows the reservoir to be flexible and puncture resistant. The UltraRed hose connects disconnects quickly and features a high flow bite valve. The top slider allows the bladder to filled easier and hold more water. For cleaning and drying, the top slider also allows the reservoir to be turned inside out. RF welds mold the polyurethane together as if it