Fellkit

Sea to Summit

Sea to Summit Aeros Ultralight Pillow (Regular, 34 x 26 x 11 cm)

  • Weight: 9/10 How much it adds to your pack.
  • Packed size: 10/10 How much room it takes in your rucksack.

Lowest price we found

£26.99 at Fresh Air Junkie

In stock. Free delivery. Checked 8 Nov 2026.

RRP £35, checked 19 Oct 2026.

Go to Fresh Air Junkie Compare 3 shops

Weight-first backpackers: at 55 g it is among the lightest shaped pillows

Type
Inflatable
Weight
55 g
Height
11 cm
Size
34 x 26 cm
Packed size 0.23 L, 7 cm long and 6.5 cm across Compare with a 2-litre bottle

Shorter than a 2-litre bottle and thinner than one. Drawn to scale.

Where to buy

Fresh Air Junkie £26.99 In stock. Free delivery. Shop's usual price is £35; free UK mainland delivery for parcels under 3 kg.

View at shop: Fresh Air Junkie

Ultralight Outdoor Gear £32.99 In stock. Free delivery. Free UK delivery over £15; the shop's list price is £34.99.

View at shop: Ultralight Outdoor Gear

Sea to Summit £35 In stock. Delivery £4.50. Free delivery over £75.

View at shop: Sea to Summit

Prices checked 8 Nov 2026 on each shop's own page; shops can change them. We earn no commission on these links; shops are listed by price. More

Our ratings (out of 10)

1 to 10, compared with the whole market. Each says what it's based on. How we score

Weight

From maker's figures 9/10

How much it adds to your pack. 9: Among the best you can buy for this.

Maker lists 55 g for the Regular, under the 70 g line. Ultralight Outdoor Gear lists 53 g.

Packed size

From maker's figures 10/10

How much room it takes in your rucksack. 10: The best you can buy for this.

Maker gives a packed size of 7 cm long and 6.5 cm across: 3.1416 x 3.25 x 3.25 x 7 = 232 cm³, about 0.23 L, in the under 0.6 L band.

In short

Good for

  • Weight-first backpackers: at 55 g it is among the lightest shaped pillows
  • Hooded mummy bags: the Regular fits inside the hood, with PillowLock patches for Sea to Summit mats
  • Lightweight kits where every cm³ counts: it packs to about 0.23 L

Strengths

  • 55 g and about 0.23 L packed, in the top band for both weight and size
  • Mini valve inflates in a few breaths and lets you fine-tune the firmness
  • Brushed recycled face fabric, 11 cm tall inflated, with a shaped base that centres it on the shoulders
  • Maker says the current pillow has a hydrolysis-resistant polyether TPU laminate, an upgrade for damp conditions

Weaknesses

  • No cushioning besides air, so it feels firmer than foam-topped pillows
  • PillowLock only grips Sea to Summit mats
  • A long-term owner of the older version found it uncomfortable for stomach sleeping
  • No independent test of the current Regular was found, so comfort and durability are estimates, not reviewed scores

Sources

We haven't tested this ourselves. Every score comes from these specs, tests and reviews.

ShowHide sources (1)
  1. Sea to Summit UK: Aeros Ultralight Pillow, Regular (55 g, 34 x 26 x 11 cm, packed 7 x 6.5 cm) Specs, 19 Oct 2026. Used for: weight, packed size