Multi Synthetic Base Layer Long Sleeveadidas Multi Synthetic Base Layer Long Sleeve Women Grey A Versatile Hiking Base Layer With Climacool To Keep You Cool, Dry And Ready. Layering Is Essential For Regulating Temperature On The Trail, And This Adidas Base Layer Hiking Shirt Is Designed To Be Worn Close To Your Skin. The Breathable Fabric Feels Smooth And Resists Odour Buildup, Helping You Feel Fresh And Focused. Pair It With A Fleece For Cold Weather Hikes, Or Wear It On Its Own For Cool