---
product_id: 489282724
title: "Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches)"
brand: "sea to summit"
price: "AR$1217471"
currency: ARS
in_stock: true
reviews_count: 13
category: "Sea To Summit"
url: https://www.desertcart.com.ar/products/489282724-sea-to-summit-ether-light-xt-extra-thick-insulated-sleeping
store_origin: AR
region: Argentina
---

# 3.2 R-value superior insulation 1 lb ultralight portability 4-inch extra-thick plush comfort Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches)

**Brand:** sea to summit
**Price:** AR$1217471
**Availability:** ✅ In Stock

## Summary

> 🔥 Sleep like royalty off the grid — your ultimate 3-season comfort upgrade!

## Quick Answers

- **What is this?** Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches) by sea to summit
- **How much does it cost?** AR$1217471 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/489282724-sea-to-summit-ether-light-xt-extra-thick-insulated-sleeping)

## Best For

- sea to summit enthusiasts

## Why This Product

- Trusted sea to summit brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable & Quiet:** Non-slip 30D/40D nylon face fabric offers rugged durability with minimal noise—sleep undisturbed, anywhere.
- • **Cloud-Like Comfort:** Extra-thick 4-inch Air Sprung Cell design mimics a luxury spring mattress for side sleepers.
- • **Thermal Shield Tech:** High-loft fiberfill and reflective fabric trap and radiate heat, ensuring cozy 3-season warmth.
- • **Featherweight Explorer:** Weighs just 1 pound and packs down to a compact 4.5 x 9.5 inches—perfect for minimalist adventurers.
- • **Rapid Inflate & Deflate:** Multi-function valve with integrated Airstream Pumpsack inflates in seconds and deflates quickly for hassle-free setup.

## Overview

The Sea to Summit Ether Light XT Small is a premium 4-inch thick insulated sleeping pad designed for 3-season backpacking and camping. Weighing only 1 pound and packing down compactly, it features Air Sprung Cell technology for plush support, a multi-function valve for fast inflation/deflation, and advanced insulation materials that retain heat efficiently. Durable, quiet, and tailored for side sleepers, it includes a stuff sack, repair kit, and PillowLock patches for seamless pillow attachment.

## Description

Buy Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches): Air Mattresses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Extremely comfortable. - Very high quality. Extremely comfortable in any position you’re lying. Easy to inflate, packs away perfectly. Only complaint is it’s fairly noisy while rolling around on it.
Review: Great for Men (and dogs) too! - TL;DR - Ultralight, ultra comfortable, ultra strong! Increased r-value and less weight than the mens. Not annoying like Thermarest. Medium sized dog-proof. Would buy again! I'll have to add photos later but as a 5'9" male who sleeps cold, I appreciated the extra overall width and increased r-value! I am an inverted triangle body shape with pretty wide shoulders and love that the mat stays wide even down towards my hips. Lots of room to roll around on as an active sleeper! It also isn't very crinkly or loud. Definitely not enough to disturb or irritate me in the middle of the night. I think it was also just barely lighter weight than the men's version as well. I will say it does take up most of the floor space in my Copper Spur UL1. But with the 4" of padding I've never had a problem hitting my head or feet on the tent while sleeping. This is hands down the best pad I have ever used! It is also bomb proof as my dog had moved all over it getting comfortable and I have had no issues with holes or punctures!

## Features

- Extra-thick 4-inch, lightweight air mattress provides a plush sleeping experience for 3-season (3.2 R-Value) backpacking, camping, and bike touring
- Single-layer Air Sprung Cell construction mimics a spring mattress, using flexible loops to create large air pockets that are ideal for side sleepers
- Multi-function valve for fast inflation in just a few breaths (using integrated Airstream Pumpsack), one-way deflation for quick packup, and fine-tuning of air pressure
- Insulated pad features high-loft fiberfill and reflective fabric, to prevent heat loss and radiate heat back during sleep; non-slip 30D/40D nylon face fabric is durable and quiet
- Tapered - Small size measures 66 x 21.5 x 4 inches, packs to 4.5 x 9.5 inches, weighs 1 pound; includes stuff sack, field repair kit, and PillowLock patches for securing a Sea to Summit pillow to mat

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B085HCHXP1 |
| Best Sellers Rank | #329,262 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #427 in Self-Inflating Sleeping Mats for Camping |
| Brand | Sea to Summit |
| Color | Smoke |
| Customer Reviews | 4.4 4.4 out of 5 stars (364) |
| Date First Available | February 29, 2020 |
| Department | unisex |
| Global Trade Identification Number | 09327868131389 |
| Included Components | Pump, Repair Patch |
| Item Firmness Description | Plush |
| Item Thickness | 4 Inches |
| Item Weight | 1 pounds |
| Item model number | ST81167 |
| Manufacturer | Sea to Summit |
| Model Name | Amelxtinsts |
| Number of Items | 1 |
| Product Care Instructions | Hand Wash Only |
| Product Dimensions | 66"L x 21.5"W x 4"Th |
| Shape | rectangular prism |
| Size | Small |
| Special Feature | Inflatable, Lightweight |
| Specific Uses For Product | Sleeping Pad |
| Target Audience | Adult |
| Top Material Type | Nylon |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Sea to Summit
- **Color:** Smoke
- **Included Components:** Pump, Repair Patch
- **Item Weight:** 1 Pounds
- **Material:** Nylon
- **Product Dimensions:** 66"L x 21.5"W x 4"Th
- **Size:** Small
- **Special Feature:** Inflatable, Lightweight
- **Specific Uses For Product:** Sleeping Pad
- **Target Audience:** Adult

## Images

![Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches) - Image 1](https://m.media-amazon.com/images/I/31GIICRs2TL.jpg)
![Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches) - Image 2](https://m.media-amazon.com/images/I/41ECiZtT0dL.jpg)
![Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches) - Image 3](https://m.media-amazon.com/images/I/41L81bOwG+L.jpg)
![Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches) - Image 4](https://m.media-amazon.com/images/I/41js+wVnZ1L.jpg)
![Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches) - Image 5](https://m.media-amazon.com/images/I/41sR+ChMhPL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Extremely comfortable.
*by J***R on July 3, 2025*

Very high quality. Extremely comfortable in any position you’re lying. Easy to inflate, packs away perfectly. Only complaint is it’s fairly noisy while rolling around on it.

### ⭐⭐⭐⭐⭐ Great for Men (and dogs) too!
*by R***T on July 24, 2021*

TL;DR - Ultralight, ultra comfortable, ultra strong! Increased r-value and less weight than the mens. Not annoying like Thermarest. Medium sized dog-proof. Would buy again! I'll have to add photos later but as a 5'9" male who sleeps cold, I appreciated the extra overall width and increased r-value! I am an inverted triangle body shape with pretty wide shoulders and love that the mat stays wide even down towards my hips. Lots of room to roll around on as an active sleeper! It also isn't very crinkly or loud. Definitely not enough to disturb or irritate me in the middle of the night. I think it was also just barely lighter weight than the men's version as well. I will say it does take up most of the floor space in my Copper Spur UL1. But with the 4" of padding I've never had a problem hitting my head or feet on the tent while sleeping. This is hands down the best pad I have ever used! It is also bomb proof as my dog had moved all over it getting comfortable and I have had no issues with holes or punctures!

### ⭐⭐⭐⭐⭐ Lightweight, packs small, inflates easily and super comfortable.
*by P***R on July 14, 2025*

Lightweight, packs small, inflates easily and super comfortable.

## Frequently Bought Together

- Sea to Summit Ether Light XT Extra-Thick Insulated Sleeping Pad, Tapered - Small (66 x 21.5 x 4 inches)
- Sea to Summit Aeros Premium Inflatable Travel Pillow, Regular (13.4 x 9.4), Grey

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---

*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-03-04*