The Men´s Substratum Core stretch. Made from recycled warm back stretch fabric with textured panelling. Super quick drying to keep you feeling fresh. Featuring lower zip pockets to store mountain essentials.Stretch Fabric:- Stretch fabric provides unrestricted movement and improved fitLightweight:- A Lightweight construction for added comfortSustainable:- Sustainably made using polyester recycled from plastic bottlesFeatures:- Recycled warm backed stretch fabric with textured fabric panels - Ilus Core- Full length zip- High neck for close fit comfort- 2 x lower zip pockets- Thumb loop opening at cuffSpecifications:- Fabric: 95% Polyester, 5% Elastane