It is composed of 98% natural cork

Membrane: Based on polyethylene

this classic rib-knit beanie delivers exceptional warmth while remaining naturally breathable and temperature regulating

making it easy to stash in a backpack or suitcase

Nnormal - Trail Rain Jacket - Mens beanie It is composed of 98%Discover the ultimate shield against the elements with the NNormal Trail Rain Jacket, designed for trail runners seeking top tier protection without compromising on comfort. Experience the fusion of cutting edge technology and sustainable design. Advanced PERTEX SHIELD REVOLVE Fabric: This high performance fabric sets a new standard in waterproofing with an impressive 20,000mm water column, ensuring you stay dry in the most torrential downpours.