Travistello.
Official Sea to Summit Nylon Tarp Poncho in Green shown worn over a backpack in the manufacturer's photograph
Sea to Summit, official product photography. Used for product identification and editorial analysis.

Sea to Summit · 253 x0.3 x137 cm, manufacturer order; packed19 x8 x8 cm

Sea to Summit Nylon Tarp Poncho

A70D coated nylon poncho with taped seams and a three-panel hood. Lower observed US price than Nano, larger packed footprint, and an explicit very-windy-weather limitation.

7.3/10 research score

Best for Rainwear when a larger packed bundle fits the day bag

Read the verdict

Research-based assessmentOfficial specifications and documented evidence. Not hands-on tested. Research score only. Not a Travistello Pick.

Weight
0.42 kg
Score
7.3/10

The short answer

Best for rainwear when a larger packed bundle fits the day bag.

A lower-priced rainwear alternative for someone who accepts a larger packed bundle and whose outing avoids the stated very-windy conditions. Its tarp role is optional, not a city-trip requirement.

Why it stands out

  • Lower observed US price than Nano
  • Published hood, seams and full material specification
  • Separate420g/435g weight labels and packed dimensions

Know before buying

  • Research-based evaluation; rain performance, fit, fabric life and shelter setup have not been physically tested by Travistello.
  • Manufacturer says not designed for very windy conditions.
  • Nylon fabric is not breathable; loose ventilation is a different property.
  • Tarp conversion is a manufacturer feature, not assurance of safe shelter in all conditions.

Travistello research score

7.3/ 10

Why it earned this score.

Research-based, using Travel Essentials Research Model v1.0. No physical test is implied.

01

Travel function

7.7

Documented rainwear/backpack role and additional conversion; wind restriction limits suitability.

30% of overall score
02

Materials and care

7.7

Named70D coated nylon and taped seams; breathability and wind limits are clear.

20% of overall score
03

Packed portability

6.5

Published420g weight and435g packed weight,19x8x8cm; materially larger carry than Nano.

20% of overall score
04

Value and ownership

7.5

ObservedUSD77.95 lower than compact alternative, conditional manufacturing-defect warranty and regional access.

15% of overall score
05

Organization and fit

7.0

Three-panel hood and larger published coverage, with actual loaded fit and access still requiring a check.

15% of overall score

Normalized specifications

The facts, in comparable form.

Variant: Green · SKU 188-43

Weight0.42 kg
External dimensions253 x0.3 x137 cm, manufacturer order, axes not labelled
Intended useRainwear over the wearer and a large backpack, with a manufacturer tarp-conversion role; not designed for very windy conditions
OrganizationPacks into an oval stuff sack; manufacturer describes two-person shelter conversion
Closure systemDouble-stitched, tape-sealed three-panel hood and fully taped seams
Published materials100% nylon;70D coated waterproof nylon manufacturer description. FAQ states fabric is not breathable
Waterproof material claimYes
Warranty termsLimited lifetime manufacturing material/workmanship defect warranty for the intended usable life under normal use. Original owner and proof from Sea to Summit or an authorized reseller required. Improper care/use, accident, negligence, normal wear and age/environmental degradation excluded. Remedy limited to repair, replacement or credit. Other stored products are not covered; regional policy applies.
Regional availabilityGreen available on US USD storefront; merchant states US and Canada shipping only, eligibility applies
Observed official priceUSD77.95, Green, US storefront,14October2026
Packed dimensions19 x8 x8 cm, official Highlights
Packed weight435 g

Keep comparing

Useful alternatives.

Evidence & methodology

What we know, and what we do not.

A 0 to 10 research model for compact travel essentials and organizers. Travel function (30%), packed portability (20%), organization and fit (15%), materials and care (20%), and value and ownership (15%) are scored only from official published information. Manufacturer statements about waterproofing, leak resistance, protection, and durability remain attributed claims until Travistello tests them. Regional sales limits and conditional warranties lower the ownership score when they materially restrict who can buy or claim coverage.

EvaluationResearch-based
Reviewed14 October 2026
Physical testNot yet conducted

Primary evidence

Commercial disclosure. Official non-affiliate link to Sea to Summit US. No commission is earned through this link. Price and selected-variant availability were observed on 14 October 2026; regional offers differ.

Official offerUS$77.95
View official product page ↗