Fit and Design: Athletic fit Elastic waistband with drawstring for width adjustment Concealed fly with snap button Side ventilation with zipper Pre-shaped knee section 2 slit pockets with zipper Leg hem with gusset, zipper and anti-slip webbing Edge and crampon protection made from durable Cordura(R) material Asymmetrically shaped hem for an optimal fit over mountaineering boots Technology: Stretch Stormfleece insert on the back of the thighs and on the knees for additional freedom of movement and temperature regulation SOFtech abrasion-resistant materials are extra stretchy and breathable Additional Details: Fabric weight: 351g bluesign(R) product: sustainable textile production that eliminates the use of harmful substances Made with recycled materials