Best Polyester Womens Athletic Base Layers in 2026

FEATURES: Quick Dry, Anti-Odor, 4-Way Stretch, Lightweight, Breathable, Ultra-Soft, Fitted, Tag Free Label. Perfect for your basic needs and everyday activities. Offers maximum stretch while being lightweight, comfortable, and snug fitting. Make this your go-to thermal bottom as your first layer on a long run or your only layer while lounging on the couch or sleeping at night.

FABRIC: 90% Polyester, 10% Spandex. Lightweight knit with a lot of stretch. Lightly brushed on both sides which gives a soft cozy feel that is smooth against the body.

COLD WEATHER: Lightweight warmth, can be worn invisibly as first layer underneath any other clothing.

TSLA Thermal Shirt Series designed for cold weather.

[Materials] Mix of Polyester & Spandex fabric is excellent elasticity with enhanced range of motion.

[Fleece Lining] Thermal fleece lining designed to enhance the warmth and thermal insulation.

Material: Soft, Sleek, Lightweight, Breathable Polyester Fabrics

Quick Dry:Breathable, Lightweight, Quick-Drying Fabric Actively Wicks Moisture Away from the Skin, Keep You Cool and Dry and Comfy in Running, Hiking.

UV Protection: The Fabric Rating UPF 50+ Protects Your Skin from the Harmful UVA/UVB Rays, Keeping You Cool.

FEATURES -- Quick Dry, Anti-Odor, 4-Way Stretch, Lightweight, Breathable, Ultra-Soft, Fitted, Tag-Free -- Perfect for your basic needs and everyday acitivities. Offers maximum stretch while being lightweight, comfortable, and snug fitting. Make this your go-to legging as your first layer on a long run...or your only layer while lounging on the couch or sleeping at night.

FABRIC -- 90% Polyester, 10% Spandex -- Lightweight knit with a lot of stretch. Lightly brushed on both sides which gives a soft cozy feel that is smooth against the body. Quick dry technology wicks away all moisture leaving you comfortable and dry. 4-way stretch moves with your body allowing for full freedom of motion and comfort.

LOUNGING -- Perfect for lounging around at home. Or as tight fitted top bottom for sleeping. Spandex adds additional stretch for full range of motion and comfort. ***Please note this shirt is tight fitting, so if you want a looser fit you should buy 1 size up.***

Moisture-Wicking Fabric: Made of 85% microfiber polyester and 15% spandex with Silvadur Intelligent Freshness, our thermal shirts for women help control odor to keep you fresh and dry

Athletic Fit: The perfect long-sleeve baselayer shirt for women, the Quest features a tagless design, flat seams for a smooth and close ultra-comfortable fit

Efficient Design: Long-sleeve undershirt for women features raglan sleeves with thumbhole cuffs for easy layering; Drop tail maintains coverage without restricting freedom of motion

MATERIAL: Polyester, Silky-soft, Stretchy, Lightweight, Breathable And Comfortable.

QUICK DRY : Breathable and lightweight moisture wicking fabric pulls moisture away from the skin, which keeps you cool and dry.

SPECIAL REFLECTIVE STRIP DESIGN: Reflective Strip Design on both Arm, Provide Visibility at the Low-Light Conditions and Help You More Safety on the Night Running.

Polyester/elastane. Crewneck blouse.

Omni-Wick technology: advanced evaporation; keeps you dry and comfortable.

Omni-Heat reflective technology reflects back the heat your body generates.

Polyester/elastane. Crewneck blouse.

Omni-Wick technology: advanced evaporation; keeps you dry and comfortable.

Omni-Heat reflective technology reflects back the heat your body generates.

Polyester/elastane. Crewneck blouse.

Omni-Wick technology: advanced evaporation; keeps you dry and comfortable.

Omni-Heat reflective technology reflects back the heat your body generates.

FABRIC: Polyester Skin-Friendly Fabric, Breathable , Light Weight, Soft, Comfy To Your Touch

QUCK DRY: Breathable, Lightweight, Quick-Drying Fabric Actively Wicks Moisture Away from the Skin, Keep You Cool and Dry

SUN PROTECTION: The Fabric Rating UPF 50+ Can Efficiently Block Harmful Rays to Protects Your Skin, Allowing You to Enjoy Outdoor Sports Safely

Moisture-Wicking Fabric: Constructed of 85% technical fiber polyester and 15% spandex, these thermal leggings for women also feature Intellifresh(tm) Powered by Silvadur(tm)

Athletic Fit: The perfect long-sleeve workout shirts for women, our women’s thermals feature a tagless design and flat seams for a smooth, ultra-comfortable fit

Efficient Design: Long-sleeve undershirt for women features a quarter-zip mock turtleneck, hemmed cuffs with thumbholes for easy layering; Drop tail maintains coverage without restricting freedom of motion

【Breathable & Quick-dry】This cycling undershirt designed with big hole mesh, high moisture wicking and venting. Which can quickly removes sweat from your body and helps you stay comfortable and dry during cycling sessions

【 Sleeveless Ergonomic Fit】Special sleeveless cutting let the singlet can be wearing as a layer under any sport clothes.

【Premium Material】lightweight and compression, the high stretch baselayer will give you high performance and exceptional comfort without any itching feelings

79% Polyester, 21% Spandex:

Quick-drying:

Stretch knit fabric:

Material: 52% merino wool, 21% Tencel, 20% polyester, 7% spandex

Insulation Weight: midweight

Fit: form-fitting