Youth Double Layer Crewneck

$34

Color: Black

Also inMen's Women's

Size:

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Description

This youth base layer long-sleeve crewneck is designed with two layers of fabric integrated back-to-back featuring open spaces to trap and retain warm air. Featuring Acclimate Dry fibers, this kids' thermal top moves moisture away from the body for warmth, comfort and dryness. Polarmax Double Layer material ensures a soft feel and reliable protection against the cold.

Features

Double-layer construction traps air between layers for extra warmth
Acclimate Dry fibers keep skin dry
Odor blocking fabric
Mechanical stretch
Crew neckline with binding
Spun polyester is slightly brushed for extra softness
Flat seam construction for seam strength and longevity
Versatile for sports or everyday warmth
Midweight warmth, relaxed fit
Imported

Size & Fit

Slim

Regular

Relaxed

Relaxed through the body with room to layer. Size down for a closer fit.

Relaxed fit for all-day comfort — wears easily under casual clothes or as a base layer under snow gear.

Open size guide

Materials

Fabric: 100% polyester (150 gsm). Machine wash separately on cold with like colors. Tumble dry low. Do not use bleach or fabric softeners. Do not iron.

Technical specs

Midweight warmth — 150 gsm double layer knit
Warmth rating: medium — sustained cold, moderate activity
Boxed packaging

About the brand

Polarmax has been making simple, honest base layers in North Carolina since 1985. Parent company Longworth Industries knits, cuts, and sews every piece within a few miles of its Candor, NC mill — 100% made in the USA — and the same factories supply technical next-to-skin gear to the U.S. military. The recipe hasn't changed: soft double-layer fabrics that trap warm air, Acclimate Dry fibers that pull moisture off the skin, and relaxed fits that disappear under whatever the day calls for. At Mountain Sports, we love Polarmax because it's dependable, American-made warmth without the fuss — base layers for the whole family that just work, season after season.

Shop all Polarmax

SKU PM2-101 · Style PM2101

Size guide

Polarmax Size Chart - Youth & Toddler Base Layers

Polarmax Sizing Chart

Measurements are in inches and centimeters. Charts reflect body measurements, not garment measurements.

Youth:

Measurement	XXS	XS	S	M	L	XL
Age range	3 - 4	4 - 6	6 - 8	8 - 10	12 - 14	14 - 16
Height (in)	40 - 42	43 - 47	48 - 52	53 - 58	57 - 60	61 - 64
Height (cm)	101 - 108	109 - 121	122 - 133	134 - 143	144 - 153	154 - 163

Toddler:

Measurement	2T	3T	4T
Height (in)	32 - 35	36 - 39	40 - 43
Height (cm)	81 - 90	91 - 99	101 - 109
Weight (lbs)	27 - 31	32 - 35	36 - 40
Weight (kg)	12.5 - 14	14.5 - 16	16.5 - 18

If your child is between sizes, we recommend sizing up for room to grow. Polarmax base layers are designed with a relaxed fit for comfortable layering.