





Evolution HeatCore Liner
The Evolution HeatCore Liner is made from Polartec® 200 Expedition Weight Fleece and is designed as the ultimate thermal layer for the big adventurers. Crafted to seamlessly fit the Evolution Slumber Suit V1 (only), this full-length liner combines high-performance features with unmatched comfort. Made from Polartec 200, it offers superior warmth without bulk, allowing freedom of movement without sacrificing insulation. It’s the perfect companion for extended outdoor expeditions, providing reliable warmth and comfort in a lightweight package.
The liner:
Is pill-resistant qualities, maintaining its soft and smooth surface even after prolonged wear and wash cycles.
Has quick-drying properties make it ideal for damp or cold conditions
Offers exceptional breathability for optimal moisture management, preventing overheating during high-intensity activities.
Includes Velcro Stabilizers that attach the liner securely to the Evolution Slumber Suit, preventing it from shifting as you sleep.
Sleeves feature a fastener that keeps them from sliding up inside the Slumber Suit when inserting it.
Available in Dark Gray
The Evolution HeatCore Liner is made from Polartec® 200 Expedition Weight Fleece and is designed as the ultimate thermal layer for the big adventurers. Crafted to seamlessly fit the Evolution Slumber Suit V1 (only), this full-length liner combines high-performance features with unmatched comfort. Made from Polartec 200, it offers superior warmth without bulk, allowing freedom of movement without sacrificing insulation. It’s the perfect companion for extended outdoor expeditions, providing reliable warmth and comfort in a lightweight package.
The liner:
Is pill-resistant qualities, maintaining its soft and smooth surface even after prolonged wear and wash cycles.
Has quick-drying properties make it ideal for damp or cold conditions
Offers exceptional breathability for optimal moisture management, preventing overheating during high-intensity activities.
Includes Velcro Stabilizers that attach the liner securely to the Evolution Slumber Suit, preventing it from shifting as you sleep.
Sleeves feature a fastener that keeps them from sliding up inside the Slumber Suit when inserting it.
Available in Dark Gray