This season, we're bringing back the very first version of ColdGear® we ever made—thicker, more compressive, and ultra-warm—because nothing hits like the original.

Keeps You Warm
4-Way Stretch
Fast-Drying

Product Details

Our original ColdGear® fabric is ultra-warm, smooth & fast-drying
4-way stretch material moves better in every direction
Material wicks sweat & dries really fast
Ergonomic design keeps seams off of high abrasion areas
Mock neck construction for added coverage & warmth

Size & Fit

Athlete is 170 cm (or 5'7") & wearing size SM

Compression: Ultra-tight, second-skin fit.

Size & Fit Guide

How to measure

BUST: Place tape measure under your arms at the fullest part of your chest, wrap around your body until your fingers meet and mark the measurement.

WAIST: Measure around your natural waistline. Be careful not to squeeze too tight to allow give.

TALL Sizes: All tall sizes are 2”/ 5 cm longer than regular sizes. Sleeve lengths are adjusted proportionately depending on silhouette.

SHORT Sizes: All short sizes are 2”/ 5 cm shorter than regular sizes. Sleeve lengths are adjusted proportionately depending on silhouette.

Size Chart

Size Chart (Centimeters)
Size	US SIZES	BUST (cm)	WAIST (cm)
XXS	00	79 - 83	62 - 65
XS	0-2	83 - 85	65 - 68
SM	4-6	85 - 91	68 - 74
MD	8-10	91 - 96	74 - 79
LG	12-14	96 - 104	79 - 86
XL	16	104 - 112	86 - 94
XXL	18	112 - 119	94 - 102
3XL	20	119 - 127	102 - 109
1X	16W - 18W	112 - 121	99 - 110
2X	20W - 22W	121 - 131	110 - 123
3X	24W - 26W	131 - 140	123 - 135

Size Chart (Inches)
Size	US SIZES	BUST (in)	WAIST (in)
XXS	00	31 - 32½	24½ - 25½
XS	0-2	32½ - 33½	25½ - 27
SM	4-6	33½ - 36	27 - 29
MD	8-10	36 - 38	29 - 31
LG	12-14	38 - 41	31 - 34
XL	16	41 - 44	34 - 37
XXL	18	44 - 47	37 - 40
3XL	20	47 - 50	40 - 43
1X	16W - 18W	44 - 47½	39 - 43½
2X	20W - 22W	47½ - 51½	43½ - 48½
3X	24W - 26W	51½ - 55	48½ - 53

Specs & Care

Style #: 1388409
64% Nylon/21% Polyester/15% Elastane
Imported

Reviews(13)

4.5

Recommended: 92%

13 Ratings

Comfort

Min

Max

Fit

Runs Small

Runs Large

Performance

Min

Max

Fits Like a Glove

AmazonBarbE

21 days ago

At last truth in advertising. I have long arms and a large chest; this shirt fit me well, was true to size and kept me comfortably warm on my winter walks. Plus it's got this kind of sexy minimalist vibe. Loved it so much I went back and bought another. Can Recommend.

Comfort

Min

Max

Fit

Runs Small

Runs Large

Performance

Min

Max

Location: Medicine Hat, AB

Reviews: 1

Votes: 0

Athlete Type: Avid

Body Type: Curvy

Size Purchased: XL

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Helpful?

Awesome gear for work or play !

Olivia M 2025

2 months ago

These super fit mock are all I wear in winter months , I have every color and style they make . Always keep me warm and so comfortable.

Comfort

Min

Max

Fit

Runs Small

Runs Large

Performance

Min

Max

Location: Northeast Pennsylvania

Reviews: 1

Votes: 1

Athlete Type: Avid

Body Type: Long And Lean

Size Purchased: MD

MoreLess

Helpful?

Excellent quality

Maria01

3 months ago

Love this product. I use it for hiking, running and snowshoeing. It’s very comfortable and keeps me warm without overheating.

Comfort

Min

Max

Fit

Runs Small

Runs Large

Performance

Min

Max

Location: Calgary

Reviews: 1

Votes: 2

Athlete Type: Avid

Body Type: Petite

Size Purchased: XS

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Helpful?

Q&A(1)

Is the white one see through at all?

White mock long sleeve

3 months ago

The Women's ColdGear® OG Mock Long Sleeve is not designed to be see-through.

UA Expert Gabrielle H

3 months ago

Helpful?

How would you rate our products and descriptions?

ColdGear® OGWomen's Mock Long Sleeve

Product Description

ColdGear® OG
Women's Mock Long Sleeve