From the Bog Dog team:
The Montane Women's Slipstream Trail Running Tights are a tailored run specific fit designed for movement using a durable unrestrictive fabric which moves with you. These pull-on trail tights have a stretch waistband and internal waist drawcord which ensures the tights stay in place while you’re on the move. Constructed with ECONYL® regenerated nylon yarns, they're durable while also providing a reduced environmental impact. Designed specifically for Mountain runners these trail running tights are perfect for days on the trail.
Suitable for: Trail Running, Fastpacking
Fit: Next-to-Skin - Tight fitting and designed to be worn next to skin