Altitude Tee

Name: Altitude Tee
Brand: ioMerino
SKU: 29-555-93-01
Price: 100.00 AUD
Availability: InStock

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DETAILS
SIZE & FIT
BEST FOR
FABRIC - ALTITUDE

DETAILS

Our Altitude range was originally designed as a baselayer, to fit close to your body for maximum performance, so it’s snug but soft, with plenty of give for extra comfort. If you’re usually a medium, for example, you might find the medium fits tighter than you’d expect because it’s designed to be ‘contact fit’ and look and feel like a second skin. If you’re looking for a more relaxed fit you might consider sizing up (it will still be relatively snug) or choosing another style.

Not only does the Men's Altitude Base Layer Tee look and feel good, it's alsoincredibly versatile, taking you through a wide range of temperatures and conditions. Wear this Base Layer T-shirt as part of our layer system for extra warmth, and when the temperature rises, you’ve got the perfect lightweight and breathable T-shirt that delivers the comfort and performance you need to go the distance.

(For a more relaxed fit try our Ultra or Universal T-shirts.)

Tag free, flatlock stitching, raglan sleeves eliminate chafe and maximize comfort.

Why you’d buy this: You like your stuff to fit nice and close to your body whether you wear it on its own, or under another layer and don’t want any extra bulk or bunching. You might also want a bit of extra length which this one gives you. It’s super soft and comfy, and 96% merino so it’s super natural which means almost no microplastic issues when you wash it or landfill when you’ve finished with it.

As with all our clothes, the merino delivers natural temperature regulation, breathability, moisture wicking and odour resistance.

SIZE & FIT

Originally designed to be worn as a base layer, (is usually underneath something else), this is a ‘contact fit’ layer so will hug your body. If you don’t want it to fit, feel or look like a second skin, you might try another style, or go up a size, but please note: even going up a size will fit quite close to your body because of the fabric and cut.

New improved fit. Regular body length, shorter than the Altitude long sleeve styles.

True to size.
Model wears size small in rust.
Model wears size medium in forest marle, green, black, and charcoal marle.

Model specs - height 181cm, chest 103cm, waist 81cm (32 inch). Normally wears 32 inch pant, 10-11 size shoe.

Size Guide. Contact Fit.

BEST FOR

Snow sports

Cycling

Running

FABRIC - ALTITUDE

170gsm lightweight

18.5 microns

96% superfine Australian Merino

4% Elastane - for an easy all-way stretch.

A MicroMerino® Fabric.

Looks great, and good choice of colours

I am regular user of extra fine merino tshirts for my gym and bike rides. I have had a few different brands. This one was well stitched and styling wise looks great. I found wool to be a little chafey compared to some other brands (not sure what merino fiber grading is this), also I wish they would provide technical info such as weight in grams, and merino grade (how many microns). Also I am not sure if there is any mixed elastin/lucra or another blend fibers added

Hi Tauqeer and sorry to hear you had a chafing issue. That’s super unusual and not something we can remember hearing from any of our customers unless there was something else rubbing - we’d actually really like to know more about where it chafed so we can understand the problem better, and as part of our money back guarantee, if you’re not happy, we will absolutely replace or refund your top no worries at all. Just contact customer service to arrange that. Just so you know, we can confirm the online product description has a fabric tab that shows this top is 96% merino (we only add 4% elastane to give it some extra stretch), and depending on how you are hoping to see weight measured, we supply the standard gsm measurement which is 170gsm. (We don’t weight every size etc, just give the industry standard gsm which is grams per square metre.) As far as microns go, although that is not listed on our fabric description we have a whole page of info about our ‘MicroMerino’ fabrics which explains it’s 18.5 microns which is classified as ‘fine' and on the cusp of ‘superfine' - you’ll find that here: https://iomerino.com/pages/micromerino
- which is about as fine as you can go in clothing like this without starting to compromise durability. Please feel free to contact customer service so we can help you with your top.

Worth the expense

Best and most comfortable merino clothing for the UK and Canada winter. A must buy is the base layers. Tops and leggings. Very happy with my purchase.
Easy to care.
Can't wait to use my gear for next trip to Finland 2025.

Great base layers

One of many excellent ioMerino products I've purchased and will continue to do so. These are among the best base layers.

Amazing

Summer T-Shirt

To get the right fit I sized up, and it is now part of the summer t-shirts

Quality Product

Very happy with this purchase. Fits well. Well made. And does it’s job. Keeping me warm.

1 2 3

Universal V Neck Tee

Love it! Very versatile and the feel on your skin is wonderful.
I would order more if there were some other color options, pleaseee! 😃 (Red or navy!)

Best Singlet that i have ever purchased

I purchased one a few years ago and it still going strong. So i decided to purchase four more, comfortable, cool and durable.

Love ioMerino

My wardrobe is full of ioMerino tees and long-sleeve tees. I love their fit and their feel, and wear them constantly.

Love my sheepish Tee

Bought the XS. It's a generous fit. Very comfy. Great quality, colour and style for indoor and outdoor. My preference is for longer short sleeves, especially outside. But very happy with this product

Comfy but. ..

Love the quality, colour and styling. I bought these for my partner and they are a little short in the leg length. He's not ridiculously tall and they sit above his ankles. Otherwise a good fit

So nice I bought them twice!

Super comfy and a go to item for all my pre and post adventures wardrobe in a duffel bag. So nice I had to buy them twice. Two pairs so I'm never without.

		XS	S	M	L	XL	XXL
Waist	Inch	27	28-30	32-34	36-38	40-42	44-46+
	cm	68 - 70	71-76	81-86	91-96	101-108	111-116+
Chest	Inch	32-34	34-36	38-40	42-44	46-48	50+
	cm	81.5 - 86	86-91	96-101	106-111	116-121	127+

	XS	S	M	L	XL	XXL
Pit to pit	47.4	51.2	55	58.8	62.6	66.4
Torso Length	65.9	68.5	71	73.5	76.1	78.6
Sleeve Length	50.2	52.1	54	55.9	57.8	59.7

	XS	S	M	L	XL	XXL
Pit to pit	49.4	53.2	57	60.8	64.6	68.4
Torso Length	68.9	71.5	74	76.5	79.1	81.6
Sleeve Length	74.2	76.1	78	79.9	81.8	83.7

		S	M	L	XL	XXL
Inside Leg	inch	29	30	30.5	31	31.5
	cm	74.5	76	77	78.5	80
Outside Leg	inch	41	41.5	42	42.5	43
	cm	105	106	107.5	109	110

	XS	S	M	L	XL	XXL
Waist	58.9	64	69.1	74.2	79.2	84.3
Hips	68.9	74	79.1	84.2	89.2	94.3
Outer Leg	90.3	93.5	96.7	99.8	103	106.2

Currency

Altitude Tee

BENEFITS OF MERINO

LIGHTWEIGHT

THERMO REGULATING

SUPER SOFT & COMFORTABLE

BREATHABLE

MOISTURE WICKING

ODOUR RESISTANT

NATURAL

ETHICALLY MADE

Customer Reviews

What layer is right for you?

what would an Australian company know about cold weather?

Let customers speak for us

	XS	S	M	L	XL	XXL
Waist	70.4	75.2	80	84.8	85.6	94.4
Hips	82.4	87.2	92	96.8	101.6	106.4
Leg Length	81.6	82.3	83	83.7	84.4	85.1

	XS	S	M	L	XL
Australian	6-8	8-10	10-12	12-14	14-16
US	2-4	4-6	6-8	8-10	10-12
European	34-36	36-38	38- 40	40-42	42-44

		XS	S	M	L	XL	XXL
Bust	inch	30-32	32-34	34-37	37-40	40-42	42-45
Bust	cm	76-82	82-88	88-94	94-100	100-107	108-114
Waist	inch	24-26	26-28	28-30	30-32	32-35	35-38
Waist	cm	58-64	64-70	70-76	76-82	82-89	89-96
Hips	inch	34-36	36–38	38-40	40-42	42-44	44-47
Hips	cm	84-90	90-96	96-102	102-108	108-115	115-122

		XS	S	M	L	XL	XXL
Bust	inch	29.5–32.5	32.5–35.5	35.5–38	38–41	41–44.5	44.5–48.5
Bust	cm	75-82.5	82.5-90	90-96.5	96.5-104	104-113	113-123
Waist	inch	23.5–26	26–29	29–31.5	31.5–34.5	34.5–38.5	38.5–42.5
Waist	cm	60-66	66-73.5	73.5-80	80-87.5	87.5-94.5	97.5-108
Hips	inch	33–35.5	35.5–38.5	38.5–41	41–44	44–47	47–50
Hips	cm	83.5-90	90-97.5	97.5-104	104 -111.5	111.5-119.5	119-127

Currency

Altitude Tee

All size charts

ioMerino Size Guide

Men's General Size Chart

Men's Summit Zip Hoodie

Men's Summit Easy Fit Hoodie

Men's Glacier Tracksuit Pants

Men's Pace Compression Leggings - Original

Men's Stride Track Pants

Women's Size Conversion Chart

Women's Size Chart - Altitude 'Contact Fit'

Women's Size Chart - Universal, Ultra, and Horizon 'regular fit'

Women's Summit Zip Hoodie

Women's Summit Easy Fit Hoodie

Women's Stride Tracksuit pants

Women's Yoga Pants

Women's Freedom Sweatpants

Women's Pace Compression Leggings - Original

Women's Pace Compression Leggings

Women's Pace 3/4 Compression Leggings

Women's Pace Bike Shorts

Socks

Pace Arm warmers

Gloves

Skull Cap

BENEFITS OF MERINO

LIGHTWEIGHT

THERMO REGULATING

SUPER SOFT & COMFORTABLE

BREATHABLE

MOISTURE WICKING

ODOUR RESISTANT

NATURAL

ETHICALLY MADE

Customer Reviews

What layer is right for you?

what would an Australian company know about cold weather?

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Let customers speak for us