evo.com | Outdoor Research Neck Gaiters > The Outdoor Research Vigor LT Ubertube is a lightweight tube of warmth you barely notice until the wind kicks up. A recycled polyester and elastane blend stretches with you and manages moisture, so it layers clean under a jacket on a trail run or pulls over the face when temperatures drop on a dawn patrol lap. One Size Fits Most bluesign(R) approved 100% Polyester UPF 30 Thermo-Regulating ActiveTemp(TM) Treatment Breathable, Quick Drying, Wicking | Outdoor Research Vigor LT Ubertube 2027 Neck Gaiter in Green | Elastane/Polyester