Top 10 Boys Underarmour Base Layer UK – Boys’ Activewear Leggings

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1. Under Armour

Winter Running Tights Boys, Under Armour ColdGear Armour Leggings, Youth Base Layer Leggings, Thermal Underwear for Kids Fitness

Under Armour - Dual-layer fabric - the baselayer bottoms have ultra-warm, brushed fabric inside and a smooth, fast-drying exterior for heat and dry comfort. Material and fit - the streamlined leggings aren't too tight or loose with an inseam of YMD is 25" +/- 1.

5" per size and made of 87% Polyester and 13% Elastane. Versatile clothing - these thermal pants can be worn to run or work out, but are also comfortable to wear under clothes as long johns. 4-way stretch construction - The base layer tights are made using 4-way stretch fabric for flexibility and free movement during workouts. Lightweight warmth - these boys thermal leggings are the weight of a t-shirt yet bring amazing warmth in cold weather while wicking away sweat.
BrandUnder Armour
ManufacturerUnder Armour Apparel
Height5.08 cm (2 Inches)
Length27.94 cm (11 Inches)
Weight0.11 kg (0.25 Pounds)
Width20.32 cm (8 Inches)
Part Number1366374
Model1366374

2. Under Armour

Black F19, Under Armour Boys' UA Base Layer 2.0 Legging, L

Under Armour - For cool conditions & high activity. Weave type: Knit. Special size type: Big Boys. Keeps you warm. Moisture transport system wicks away sweat & dries quickly.
BrandUnder Armour
ManufacturerUnder Armour
Height10.16 cm (4 Inches)
Length22.86 cm (9 Inches)
Weight0.45
Width10.16 cm (4 Inches)
Part Number25UOFCC11F-001-PC-001-YLG
Model25UOFCC11F-001-PC

3. Under Armour

Youth Base Layer Leggings, Thermal Underwear for Kids Fitness, Winter Running Tights Boys, Under Armour ColdGear Armour Leggings

Under Armour - Material and fit - the streamlined leggings aren't too tight or loose with an inseam of YMD is 25" +/- 1. 5" per size and made of 87% Polyester and 13% Elastane.

4-way stretch construction - The base layer tights are made using 4-way stretch fabric for flexibility and free movement during workouts. Lightweight warmth - these boys thermal leggings are the weight of a t-shirt yet bring amazing warmth in cold weather while wicking away sweat. Dual-layer fabric - the baselayer bottoms have ultra-warm, brushed fabric inside and a smooth, fast-drying exterior for heat and dry comfort. Versatile clothing - these thermal pants can be worn to run or work out, but are also comfortable to wear under clothes as long johns.
BrandUnder Armour
ManufacturerUnder Armour Apparel
Height5.08 cm (2 Inches)
Length30.48 cm (12 Inches)
Weight0.18 kg (0.4 Pounds)
Width22.86 cm (9 Inches)
Part Number1366374
Model1366374

4. Under Armour

Under Armour ColdGear Armour Leggings, Winter Running Tights Boys, Youth Base Layer Leggings, Thermal Underwear for Kids' Fitness

Under Armour - Dual-layer fabric - the baselayer bottoms have ultra-warm, brushed fabric inside and a smooth, fast-drying exterior for heat and dry comfort. Material and fit - the streamlined leggings aren't too tight or loose with an inseam of YMD is 25" +/- 1.

5" per size and made of 87% Polyester and 13% Elastane. Lightweight warmth - these boys thermal leggings are the weight of a t-shirt yet bring amazing warmth in cold weather while wicking away sweat. Versatile clothing - these thermal pants can be worn to run or work out, but are also comfortable to wear under clothes as long johns. 4-way stretch construction - The base layer tights are made using 4-way stretch fabric for flexibility and free movement during workouts.
BrandUnder Armour
ManufacturerUnder Armour Apparel
Height5.08 cm (2 Inches)
Length33.02 cm (13 Inches)
Weight0.16 kg (0.35 Pounds)
Width22.86 cm (9 Inches)
Part Number1366374
Model1366374

5. Under Armour

Under Armour ColdGear Armour Leggings, Winter Running Tights Boys, Youth Base Layer Leggings, Thermal Underwear for Kids Fitness

Under Armour - 4-way stretch construction - The base layer tights are made using 4-way stretch fabric for flexibility and free movement during workouts. Versatile clothing - these thermal pants can be worn to run or work out, but are also comfortable to wear under clothes as long johns.

Lightweight warmth - these boys thermal leggings are the weight of a t-shirt yet bring amazing warmth in cold weather while wicking away sweat. Material and fit - the streamlined leggings aren't too tight or loose with an inseam of YMD is 25" +/- 1. 5" per size and made of 87% Polyester and 13% Elastane. Dual-layer fabric - the baselayer bottoms have ultra-warm, brushed fabric inside and a smooth, fast-drying exterior for heat and dry comfort.
BrandUnder Armour
ManufacturerUnder Armour Apparel
Height5.08 cm (2 Inches)
Length33.02 cm (13 Inches)
Weight0.14 kg (0.3 Pounds)
Width22.86 cm (9 Inches)
Part Number1366374
Model1366374

6. Under Armour

Black, X-Small, Under Armour Boys' HeatGear Armour Long Sleeve

Under Armour - 4-way stretch construction moves better in every direction. Strategic mesh panels for added ventilation where you need it. Anti-odor technology prevents the growth of odor-causing microbes. Material wicks sweat & dries really fast. Heatgear fabric is ultra-soft & smooth for extreme comfort with very little weight.
BrandUnder Armour
ManufacturerUnder Armour - AR Code
Part Number1361731-001-Youth X-Small
Model1361731

7. Under Armour

Under Armour Boys' HeatGear Armour Long Sleeve, Black / / White 001,1361731, Black, Medium 10 Years

Under Armour - Strategic mesh panels for added ventilation where you need it. Material wicks sweat & dries really fast. 4-way stretch construction moves better in every direction. Anti-odor technology prevents the growth of odor-causing microbes. Sport type: Exercise and Fitness. Heatgear fabric is ultra-soft & smooth for extreme comfort with very little weight. Weave type: Knit.
BrandUnder Armour
ManufacturerUnder Armour - AR Code
Height3.94 cm (1.55 Inches)
Length25.27 cm (9.95 Inches)
Weight0.1 kg (0.22 Pounds)
Width31.37 cm (12.35 Inches)
Part Number1361731-001-Youth Medium
Model1361731

8. Under Armour

Under Armour Boys' HeatGear Short Sleeve T-Shirt, L, Black / / White 001

Under Armour - Material wicks sweat & dries really fast. Strategic mesh panels for added ventilation where you need it. Heatgear fabric is ultra-soft & smooth for extreme comfort with very little weight. 4-way stretch construction moves better in every direction. Anti-odor technology prevents the growth of odor-causing microbes.
BrandUnder Armour
ManufacturerUnder Armour Apparel
Height0 cm (0 Inches)
Length0 cm (0 Inches)
Width0 cm (0 Inches)
Part Number1361723-001-Youth Large
Model1361723

9. Under Armour

Under Armour Boy's Leggings, Black, Small/Youth

Under Armour - Moisture transport System wicks sweat away from the body. Features engineered elastic waistband with ARMOUR wordmark. Upf 30+ protects your skin from the sun's harmful rays. Heatgear fabric is soft and smooth for comfort with very little weight. Anti-odour technology prevents the growth of odour-causing microbes.
BrandUnder Armour
ManufacturerUnder Armour
Weight0 kg (0 Pounds)
Part Number1253824
Model1253824

10. Under Armour

Royal Blue, Youth Small, Under Armour Boy's CG Mockneck

Under Armour - 65% 6. 5 oz nylon / 21% polyester / 14% Elastane. Superior slip-on feel and compression fit complete the ultimate active Base layer. Embroidered logo on neck. Imported. Lock in rapid moisture transport and maximum core temperature regulation. Two layer brushed fabric delivers enhanced thermal protection and moisture transport. Upf 30+ protects against harmful sun rays.
BrandUnder Armour
ManufacturerUnderarmour
Height4.57 cm (1.8 Inches)
Length17.27 cm (6.8 Inches)
Weight0.02 kg (0.05 Pounds)
Width14.99 cm (5.9 Inches)
Part Number1002512-400
Model1002512