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Women’s Polyester Base Layers

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63 items
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Black leggings featuring a smooth, stretchy fabric with a wide, solid waistband. The design is form-fitting and full-length, with no patterns.
  • -10%

ColumbiaMIDWEIGHT STRETCH TIGHT - Base layer - black

(15)

£45.00 £49.99

Black long-sleeve top made of lightweight fabric, featuring a round neckline and a discreet logo on the left chest. Matched with gray leggings.

ODLOCREW NECK ACTIVE WARM - Undershirt - black

(48)

£44.99

PURE NO SHOW 3 PACK - Briefs - blue atlantis/washed navy/blue calm
  • -12%

Under ArmourPURE NO SHOW 3 PACK - Briefs - blue atlantis/washed navy/blue calm

(4)

£23.00 £25.99

Black long-sleeve thermal top with a slim fit, featuring a smooth texture and flatlock seams. Logo on the chest and thumbholes on cuffs.

ColumbiaMIDWEIGHT STRETCH LONG SLEEVE TOP - Undershirt - black

(17)

£44.99

Black leggings with a high waistband, made of a textured material. Features a logo on the side and fitted design. Soft and stretchy.

ODLOBOTTOM LONG ACTIVE WARM - Base layer - black

(32)

£44.99

Long-sleeve top in a multicolor tie-dye pattern with blue, brown, and tan. Features a crew neckline and smooth, stretchy material.
  • -10%

Peak PerformanceSPIRIT CREW - Undershirt - frosty haze

£63.00 £69.99

For those who stay outWinter's exploration wardrobe

Adventure starts when warmth is earned. Explore the range made to hold its own in the cold.

Shop now
Three individuals in outdoor gear: one is wearing a black jacket over a burgundy shirt and leggings, another has a brown jacket on, and the third is wearing a tan hat.
Black long-sleeve top with a high collar, featuring a textured fabric, fitted design, and raglan sleeves for ease of movement.
  • New

RaphaWOMENS THERMAL BASE LAYER - Undershirt - black

£89.99

Navy long-sleeve performance shirt featuring a fitted design, raglan sleeves, and a smooth texture. Columbia logo on the chest.

ColumbiaMIDWEIGHT STRETCH LONG SLEEVE TOP - Undershirt - nocturnal

(17)

£44.99

Woman with short dark hair wearing a fitted long-sleeve purple athletic top and matching leggings, standing against a plain light background.

ODLOCREW NECK ACTIVE WARM - Undershirt - skipper blue

(48)

£44.99

Long-sleeve, gray top with a fitted design, made from a smooth, stretchy fabric. Features a small red logo on the chest.
  • -40%

CastelliMEDIO BASE LAYER LONG SLEEVE - Undershirt - melange gray

£48.00 £79.99

Purple leggings made of soft, stretchy fabric. Features a high waist and fitted design with a small logo on the hip. Smooth texture and full length.
  • -11%

ODLOBOTTOM LONG ACTIVE WARM - Base layer - skipper blue

(32)

£40.00 £44.99

Black short-sleeve athletic shirt made of breathable mesh fabric. Features a round neckline and a subtle logo on the upper left.
  • -10%

ODLOCREW NECK ACTIVE DRY LIGHT - Undershirt - schwarz

(4)

£36.00 £39.99

Long-sleeve black top made of smooth, stretchy fabric with thumbholes. Features a round neckline and subtle branding on the sleeve.

BurtonWOMENS MIDWEIGHT CREW - Undershirt - true black

£64.99

Navy long-sleeve athletic top with a high collar, pink zipper, and blue accents on the sleeves and sides; crafted from moisture-wicking material.

Kari TraaALMA - Undershirt - dark navy blue

£69.99

Long-sleeve black mesh top with a scoop neck, fitted design, and textured surface, featuring a subtle logo tag near the neckline.
  • New

RaphaWOMENS LIGHTWEIGHT BASE LAYER LONG SLEEVE - Undershirt - black

£64.99

Columbia OMNI HEAT INFINITY CREW - Undershirt - everblue/snowflight
  • -11%

ColumbiaOMNI HEAT INFINITY CREW - Undershirt - everblue/snowflight

£49.00 £54.99

Black leggings made of stretchy material, featuring a wide elastic waistband with "TERREX" branding and a fitted design.

adidas SportswearMULTI - Base layer - black

(5)

£39.95

Long-sleeve athletic top in light purple with a tie-dye pattern, made from a textured, moisture-wicking fabric; features a round neckline.
  • -11%

ColumbiaOMNI HEAT INFINITY CREW - Undershirt - shale purple/snowflight

£49.00 £54.99

Long-sleeve, high-collar shirt in light beige, featuring a half zipper and textured fabric. Brand logo on the chest, slim fit design.

ODLOTURTLE NECK HALF ZIP ACTIVE WARM - Undershirt - agate gray

(4)

£54.99

Black long-sleeve top with a high collar, featuring a geometric pattern in white, zippered front, and fitted design.

Kari TraaLEKKER - Undershirt - black

£89.99

Long-sleeve, high-neck top in metallic grey fabric with a zippered collar. Features textured, shimmering finish and contrasting seams.
  • -11%

ODLOTURTLE NECK HALF ZIP PERFORMANCE WARM - Undershirt - black

£76.00 £84.99

Long-sleeve athletic top featuring a black body with mint green sleeves, large floral design in mint, and text "LET YOUR SPIRIT SOAR" below.
  • New

BurtonUndershirt - black/sage

£79.99

Colorful, stretchy leggings in a tie-dye pattern featuring shades of blue, orange, and white, with a fitted design and smooth texture.
  • New

BurtonWOMENS MIDWEIGHT PANTS - Base layer - multi-coloured

£64.99

PeakPerformance capri leggings with a blue, brown, and navy tie-dye pattern. Made from stretchy fabric, featuring a supportive waistband.
  • New

Peak PerformanceSPIRIT JOHN - Base layer - frosty haze

£59.99

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