COCOON Thermolite Performer Mummy Liner | Plus Size Sleeping Bag Liner hard ground peg Built with stretch fabric and

Built with stretch fabric and quick-dry technology

Tall Reinforced Scuff Guard

The longer half-sleeve cut gives extra arm coverage — ideal for sunny hikes

Adjustable attachment loop and upper shock lock for trekking poles or an ice axe

Internal cordlocks positioned below the collar bone for unrestricted side sleeping

COCOON Thermolite Performer Mummy Liner | Plus Size Sleeping Bag Liner hard ground peg Built with stretch fabric andSleep Warmer. Move Freely. Whatever Your Size. The COCOON Thermolite EcoMade Performer Mummy Liner is the thermal sleeping bag liner that actually fits and actually works. Made from a four way stretch fabric that moves with your body, it's been tested by our founder Rebecca on real camping trips, in real UK winter conditions. No bunching, no constriction, just warmth and comfort all night long. Whether you're a plus size camper who's been let down by