Montane Minimus Nano Pants Midnight Grey Alle Gren Leather_Blonde_08 Flickr Fotosharing!. The Minimus Nano Pants from Montane are astoundingly lightweight overpants spec'd to tackle changeable alpine conditions. Utilising a 2. 5 layer system, the style features a PERTEX Shield membrane for comprehensive weather protection, which is sequenced by a robust tricot shell and an accommodating mesh lining. Features are kept to the bare essentials, ensuring simplicity and increased packability, with only a self adjusting elastic waist and zipped ankle openings for easy on off present.