Arcteryx Pack Shelter XS Black OneSize
Lightweight and packable rain protection for backpacks. Featuring contoured shaping with an elastic drawcord closure for a secure fit, compression straps to reduce wind drag, easy access to top of pack while cover is engaged, and stow pocket. XS size fits the Sebring 18 & 25, Kea 30, Chilcotin 20, Cierzo 18 & 25, Quintic 28, Mantis 26, Blade 24 & 30 and most other packs up to 30L.