The Reactor CompactPlus can increase sleeping bag performance by up to 11°C using dual-weight Thermolite® fabric. Sea to Summit's regular 80g/m² material is combined with panels of 110g/m² Thermolite® fabric in the core body and foot box areas, adding additional warmth where it has the most benefit. The ergonomic mummy design also shaves off any excess weight, making this liner ideal for gram counters under 6 feet tall. The THERMOLITE® Reactor Compact Plus can increase sleeping bag performance by up to 11°C with dual-weight THERMOLITE® fabric. Sea to Summit's regular 80g/m² is combined with panels of 110g/m² THERMOLITE® in the core body and footbox areas adding extra warmth, while the ergonomic design shaves off excess weight. Ideal for gram counters under six feet tall

Tech Specs

• First dual fabric sleeping bag liner
• 110g/m2 THERMOLITE® panels in core body and foot areas for extra warmth
• Compact, shorter design is ideal for women and youth
• Extends life of sleeping bags by keeping them clean
• Contrasting colour along the top edge makes it easier to find the opening
• Packs into its own Ultra-Sil® stuff sack