
Product Description
Boost your sleep system’s warmth with the Reactor Fleeceweight. Thermolite® hollow-core fibers and grid fleece trap and reflect body heat, adding up to 8°C|14°F with minimal weight. The stretch fleece and arm openings allow freedom of movement, while snap attachments fit Sea to Summit sleeping bags for easy access. Easy to clean and quick-drying, it features HeiQ Fresh odor control. Using a liner reduces sleeping bag washes, helping preserve loft and extend lifespan.
- Boosts Sleep System Warmth – Reactor Fleeceweight uses Thermolite® hollow-core fibers and grid fleece to trap warmth with minimal added weight
- Freedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep
- Technical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk
- Stay Fresh Longer – HeiQ Fresh odor control technology keeps the liner fresh after extended use
- Sleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit
- Easy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time
- Lower Impact Materials – Crafted with certified recycled fibers and bluesign APPROVED materials to minimize environmental impact
- Can be used on its own as a lightweight sleeping bag in warm-weather conditions
- 100% Post-Consumer Recycled Polyester
- Stuff Sack: 100% Polyester
- Dimensions: 76.0 x 31.5 in | 193 x 80 cm
- Packed Size: 5.9 x 9.8 x 5.9 in | 15 x 25 x 15 cm
- Weight: 14.1oz | 400g
Availability & Sizing
Product Details
Price History
Historical Data
Last 1 days of price history
| Date | Low Price | High Price | Average Price | Vendors |
|---|---|---|---|---|
| May 8, 2026 | $89.95 | $89.95 | $89.95 | 1 |
Price Statistics
Description
Boost your sleep system’s warmth with the Reactor Fleeceweight. Thermolite® hollow-core fibers and grid fleece trap and reflect body heat, adding up to 8°C|14°F with minimal weight. The stretch fleece and arm openings allow freedom of movement, while snap attachments fit Sea to Summit sleeping bags for easy access. Easy to clean and quick-drying, it features HeiQ Fresh odor control. Using a liner reduces sleeping bag washes, helping preserve loft and extend lifespan. Boosts Sleep System Warmth – Reactor Fleeceweight uses Thermolite® hollow-core fibers and grid fleece to trap warmth with minimal added weight Freedom to Move – Stretch-knit and shaped arm openings allow unrestricted movement, providing natural comfort throughout your sleep Technical Shape and Hood – Ergonomic design with a fitted hood delivers optimal warmth and comfort without extra weight or bulk Stay Fresh Longer – HeiQ Fresh odor control technology keeps the liner fresh after extended use Sleep System Integration – Snap connectors at the shoulders easily pair with Sea to Summit sleeping bags for quick, hassle-free entry and exit Easy to Keep Clean – Machine washable construction simplifies care and reduces wear on your sleeping bag over time Lower Impact Materials – Crafted with certified recycled fibers and bluesign APPROVED materials to minimize environmental impact Can be used on its own as a lightweight sleeping bag in warm-weather conditions 100% Post-Consumer Recycled Polyester Stuff Sack: 100% Polyester Dimensions: 76.0 x 31.5 in | 193 x 80 cm Packed Size: 5.9 x 9.8 x 5.9 in | 15 x 25 x 15 cm Weight: 14.1oz | 400g
Additional Info
Vendor Comparison (1 stores)
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| Vendor | Price | Stock | Last Updated | Action |
|---|---|---|---|---|
Sports Basement Best Price | $89.95 | Out of Stock | 5/8/2026 | View Product → |
Available Sizes & Variants (1)
| Variant | Size | Color | Price | Status | Stores | Buy |
|---|---|---|---|---|---|---|
Picante / Regular | Regular | Picante | $89.95 | In Stock | 1 store | Buy |





