Name: Sea to Summit Reactor Midweight Liner
Brand: Sea To Summit
SKU: STSM.053301.501.SHT
Price: 114.0 NZD
Availability: InStock

[data-product-photos] .product-main-slide [data-dw-media-src] { display: none !important; } Sea to Summit Reactor Midweight Liner

1 12

$114.00

Length

Short

Regular

Long

Quantity

NZ deliveryTarget 1–2 business days* 30-day returns Returns & exchanges Support & FAQs Delivery & warranty

The Reactor Midweight enhances your sleep system with advanced Thermolite Pro fabric. Infrared-absorbing ceramic pigments and hollow-core fibres trap body heat, adding up to 6°C|11°F to a sleep system with minimal bulk. Stretch-knit fabric and arm openings allow unrestricted sleep, making it a great fit for any shape sleeping bag. Quick-drying and easy to clean, it features HeiQ Fresh odour control and helps extend your sleeping bag’s lifespan by reducing wash frequency.

Features

Boosts Sleep System Warmth – Thermolite Pro uses Far Infrared technology and hollow-core fibres to trap and reflect body heat without extra bulk
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 odour 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 fibres and bluesign APPROVED materials to minimise environmental impact

Tech specs

Best Use

Backpacking, Cycle touring, Paddle touring
Material(s)

100% Post-Consumer Recycled Polyester; Stuff Sack: 100% Polyester

Sea to Summit Reactor Midweight Short liner dimensions

Sea to Summit Reactor Midweight Regular liner dimensions

Sea to Summit Reactor Midweight Long liner dimensions

	Short	Regular	Long
Weight	330 g	350 g	365 g
Dimensions	178 x 80 cm	193 x 80 cm	198 x 80 cm
Packed Size	11.5 x 19 x 11.5 cm	11.5 x 19 x 11.5 cm	11.5 x 19 x 11.5 cm
Fits Up To Height	170 cm	185 cm	198 cm

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Frequently asked questions

Can I return or exchange my order?

Eligible items can be returned within 30 days of purchase, unused with original packaging and labels. There is no handling or restocking fee. Return postage is at your cost; conditions apply.

Returns policy

What if I need warranty or repair help?

Contact us before sending anything back, with your order details, photos and a brief description of the issue. We will help with warranty, repair or spare-part options. Coverage varies by product; your consumer rights still apply.

Get warranty help

How long will my order take to arrive?

Our target is 1–2 business days after dispatch for in-stock, standard parcels. Rural, remote and bulky deliveries can take longer. Preorders, public holidays and carrier delays may affect timing. Contact us if you need an item by a specific date.

Delivery information

How much does shipping cost?

Standard NZ shipping is $10, or free on orders over $150, excluding large items. Product-specific freight or remote-area surcharges may apply. Final shipping charges are shown at checkout.

Delivery information

Will I receive tracking details?

Yes, tracking details are sent by email when your order is dispatched. Allow time for the carrier’s first scan. If you cannot find the email, contact us with your order number.

Contact our team

Sea to Summit Reactor Midweight Liner

Features

Tech specs

Frequently asked questions

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