Skip to main content

Free return under 100 days

Free shipping on £150

Expert Help

Schedule an appointment

+33 1 84 67 14 24

Login

My account

Brands
Sea To Summit
Sale

Sea to Summit on Sale

(188)

Sort by

188 Results

Filter

Sleeping bag liners

Men

Women

Sea To Summit

£0 - £25

£25 - £50

£50 - £75

£75 - £100

£100 - £125

£125 - £150

Trail running

Travel

Mountaineering

Kayaking

Stand up paddle

Canoë

0% - 10%

10% - 20%

20% - 30%

30% - 40%

Waterproof jacket

Backpack

Soap & detergent

Strap

Sleeping bag

Sleeping pad

145 x 265 cm

Regular : 13 x 34 x 24 cm - Large : 13 x 42 x 30 cm - Deluxe : 16 x 56 x 36 g

Regular : 168 x 55 x 5 cm

Regular : 183 x 55 x 5 cm - Large : 198 x 64 x 5 cm

XSmall : 125 x 51 x 2,5 cm - Small : 170 x 51 x 2,5 cm - Regular : 183 x 51 x 2,5 cm - Large : 198 x 64 x 6,5 cm

S : 80 x 49 cm / M : 100 x 50 cm / L : 120 x 60 cm / XL : 150 x 75 cm

1-season

3-season

2-season

4-season

Down

Synthetic

Rectangular

Blanket

Mummy

2 sits

1 sit

Foam

Inflatable

Self-inflating

No

Yes

10°C to 15°C

-5°C to -1°C

-6°C & lower / Expedition

5°C to 10°C

0°C to 5°C

Duck

Goose

500 to 650

700 to 800

850 +

Yes

No

No

Yes

1-person

2-person

3-person

Yes

No

None

2

Dome tent

Tipi

500 to 1000 g

2000 to 2500 g

2500 to 3000 g

1500 to 2000 g

2

3 000 mm

11 to 20 L

Sort by

Spark -1C / 30F - Womens' sleeping bag

Sea To SummitSpark -1C / 30F - Womens' sleeping bag

Telos Evo TR3 - Tent

Sea To SummitTelos Evo TR3 - Tent

Ether Light XR Insulated - Sleeping pad

Sea To SummitEther Light XR Insulated - Sleeping pad

Trek -9C / 15F - Sleeping bag

Sea To SummitTrek -9C / 15F - Sleeping bag

Trek -9C / 15F - Womens' sleeping bag

Sea To SummitTrek -9C / 15F - Womens' sleeping bag

Comfort Blend - Sleeping bag liner

Sea To SummitComfort Blend - Sleeping bag liner

Spark -9C / 15F - Sleeping bag

Sea To SummitSpark -9C / 15F - Sleeping bag

Foamcore - Pillow

Sea To SummitFoamcore - Pillow

Pursuit Plus S.I. Mat - Sleeping pad

Sea To SummitPursuit Plus S.I. Mat - Sleeping pad

Spark 7C / 45F - Sleeping bag

Sea To SummitSpark 7C / 45F - Sleeping bag

Spark -18C / 0F - Sleeping bag

Sea To SummitSpark -18C / 0F - Sleeping bag

Ultra Sil Nano Tarp - Poncho

Sea To SummitUltra Sil Nano Tarp - Poncho

Poncho 15D - Poncho

Sea To SummitPoncho 15D - Poncho

Boab -1C / 30F - Sleeping bag

Sea To SummitBoab -1C / 30F - Sleeping bag

Ether Light XR PRO Insulated - Sleeping pad

Sea To SummitEther Light XR PRO Insulated - Sleeping pad

Tek Towel - Towel

Sea To SummitTek Towel - Towel

Ultra-Sil Dry Bag - Waterproof bag

Sea To SummitUltra-Sil Dry Bag - Waterproof bag

Breeze Sleeping Bag Liner - Sleeping bag liner

Sea To SummitBreeze Sleeping Bag Liner - Sleeping bag liner

Ultralight (with pump) - Sleeping pad

Sea To SummitUltralight (with pump) - Sleeping pad

Camp Self Inflating Mat - Sleeping pad

Sea To SummitCamp Self Inflating Mat - Sleeping pad

Comfort Plus Insulated - Sleeping pad

Sea To SummitComfort Plus Insulated - Sleeping pad

Boab -1C / 30F - Sleeping bag

Sea To SummitBoab -1C / 30F - Sleeping bag

Ultra-Sil Dry Bag - Waterproof bag

Sea To SummitUltra-Sil Dry Bag - Waterproof bag

Ether Light XR Insulated - Sleeping pad

Sea To SummitEther Light XR Insulated - Sleeping pad

Ascent -1C / 30F - Womens' sleeping bag

Sea To SummitAscent -1C / 30F - Womens' sleeping bag

Sac Etanche Evac BikePack 2P - Waterproof bag

Sea To SummitSac Etanche Evac BikePack 2P - Waterproof bag

Trek -1C / 30F - Sleeping bag

Sea To SummitTrek -1C / 30F - Sleeping bag

Passage Dinnerware Set - Cutlery

Sea To SummitPassage Dinnerware Set - Cutlery

Double Pyramid Net - Mosquito net

Sea To SummitDouble Pyramid Net - Mosquito net

Ultralight (with pump) - Sleeping pad

Sea To SummitUltralight (with pump) - Sleeping pad

Hydraulic Pro - Waterproof bag

Sea To SummitHydraulic Pro - Waterproof bag

Spark 7C / 45F - Womens' sleeping bag

Sea To SummitSpark 7C / 45F - Womens' sleeping bag

Silk Blend - Sleeping bag liner

Sea To SummitSilk Blend - Sleeping bag liner

Foamcore - Pillow

Sea To SummitFoamcore - Pillow

Trek -1C / 30F - Womens' sleeping bag

Sea To SummitTrek -1C / 30F - Womens' sleeping bag

Ultralight Insulated - Sleeping pad - Women's

Sea To SummitUltralight Insulated - Sleeping pad - Women's

Aeros Down Pillow - Pillow

Sea To SummitAeros Down Pillow - Pillow

Trek -1C / 30F - Sleeping bag

Sea To SummitTrek -1C / 30F - Sleeping bag

Ember 7C / 45F - Sleeping bag

Sea To SummitEmber 7C / 45F - Sleeping bag

Confort Deluxe Self Inflating - Sleeping pad

Sea To SummitConfort Deluxe Self Inflating - Sleeping pad

Silk Blend w/ Pillow Sleeve - Sleeping bag liner

Sea To SummitSilk Blend w/ Pillow Sleeve - Sleeping bag liner

Foamcore - Pillow

Sea To SummitFoamcore - Pillow

Ultralight (with pump) - Sleeping pad

Sea To SummitUltralight (with pump) - Sleeping pad

Aeros Premium Pillow - Pillow

Sea To SummitAeros Premium Pillow - Pillow

Camp + Self Inflating Mat - Sleeping pad

Sea To SummitCamp + Self Inflating Mat - Sleeping pad

Comfort Plus Insulated - Sleeping pad

Sea To SummitComfort Plus Insulated - Sleeping pad

Camp + Self Inflating Mat - Sleeping pad

Sea To SummitCamp + Self Inflating Mat - Sleeping pad

Camp Self Inflating Mat - Sleeping pad

Sea To SummitCamp Self Inflating Mat - Sleeping pad

Pursuit S.I. Mat - Sleeping pad

Sea To SummitPursuit S.I. Mat - Sleeping pad

Hydraulic Packing Cube - Packing cubes

Sea To SummitHydraulic Packing Cube - Packing cubes

Minimalist Tarp - Tarp

Sea To SummitMinimalist Tarp - Tarp

Grasshopper Gaiters - Gaiters

Sea To SummitGrasshopper Gaiters - Gaiters

Reactor Fleeceweight Liner - Sleeping bag liner

Sea To SummitReactor Fleeceweight Liner - Sleeping bag liner

Passage Dinnerware Set - Cutlery

Sea To SummitPassage Dinnerware Set - Cutlery

Kitchen Sink

Sea To SummitKitchen Sink

Aero Down - Pillow

Sea To SummitAero Down - Pillow

Reactor Midweight Liner - Sleeping bag liner

Sea To SummitReactor Midweight Liner - Sleeping bag liner

Detour Stainless Steel Kettle Cook Set - Cooking set

Sea To SummitDetour Stainless Steel Kettle Cook Set - Cooking set

Breeze Lightweight Sleeping Bag Liner - Sleeping bag liner

Sea To SummitBreeze Lightweight Sleeping Bag Liner - Sleeping bag liner

Lightweight Dry Bag Set - Waterproof bag

Sea To SummitLightweight Dry Bag Set - Waterproof bag

1
2
3
4

Our top brands

Patagonia Ortovox Rab La Sortiva Lowa Altra Millet Moon Boot Helly Hansen Barbour Fjällräven Columbia Scarpa Vaude Mammut Julbo New Balance Hanwag Birkenstock Petzl

Our top trending categories

Women's Down jackets Women's Parkas Women's Fleece jackets Men's Down jackets Men's Parkas Men's Fleece jackets Tents Sleeping pads Headlamps Sleeping bags Stoves Hiking backpacks Ice axes Hiking shoes & boots Trail running shoes Running shoes Climbing shoes Kids' Hiking shoes & boots Cycling helmets Kids' carriers Kids' Clothing Kids' Fleece jackets Aigle Kids' Rain shoes Patagonia Fleece jackets Pyrenex Down jackets Helly Hansen Jackets Columbia Fleece jackets Black Diamond Headlamps Meindl Shoes Dakine Backpacks Assos Cycling shorts Giro Helmets Rab Down jackets Dog Harnesses Dog Leads & Leashes Ortlieb Panniers Altra Shoes Buff Neckwear Abus Cycling helmets Patagonia Down Jackets

Free shipping on £150Free return under 100 daysCarbon neutral

Our mission

At Hardloop, we believe that nature and being on the move should be at the very heart of our lives. Whether you're a first-timer or a top athlete, since 2015 we've been sharing with you our love of good gear and our passion for the steep trails we love to run around on.

Read more +

Customer Service

All help topics
Track my order
Return & refund
Size Charts & Fit Guide

Hardloop

Who are we?
HardGuides

Our commitments

Second hand

Logistics partner

100% secured payment system

Easy Online Shopping

Free delivery from £150
100 Days refund policy
Customer service free of charge

© Hardloop 2026
Legal Notice
Terms of Use
Privacy Policy & Data Tracking
Data preferences

More adventures

Hardloop International