Thermal Under Shirts for Kids
Items for sale: 13
Price range: £3.29 - £14.98
Last updated: Thu Nov 20 22:14:40 GMT 2025
Arshiner Girls White Long Sleeve Top Kids Ribbed Stretchy Base Layer Turtleneck for School Autumn Winter Thermal Undershirt for Girls Layering Soft Lightweight Tops Ages 13–14
- Soft Fabric: Made from 95% rayon and 5% spandex, this girls' turtleneck top is ultra-soft, stretchy, and breathable – offering excellent comfort for everyday wear.
- Stylish Design: Classic turtleneck sweater with a slim and lightweight fit. It keeps kids warm without bulk – feels like a second skin and works well as a base layer.
- Occation: Perfect for school, travel, playtime, or outdoor activities like hiking. Comfortable enough to wear under jackets, cardigans, or coats.
- Ideal Gift: Available in various colours like black, white, red, orange, yellow and blue – a great gift choice for birthdays, Christmas or seasonal events.
- Size & Care Instructions: Please check the size chart for best fit. Machine washable, no bleach, tumble dry low. A must-have long sleeve layering top for autumn and winter.
Arshiner Children Long Sleeved Shirt White Girls Inner Fleece Tops Plain Thermal Tops Round Neck Sweater Casual Undershirts Fashion Elastic Undershirt 9-10 Years
- Comfortable Fabric: This kids long sleeve t-shirt has fleece inside and the material is stretchy, very warm, comfortable and not easy to wrinkle.
- Simple Design: Girls long sleeve thermal top features a straight fit and classic round neck in black and white for boys and girls. Available in a variety of colors, this versatile top is simple but beautiful, making it a must-have basic top for kids.
- Versatile Style: Casual tops can be matched with jeans, sweatpants, skirts, shorts, etc. It is also suitable for matching with coats and jackets in autumn and winter, which is both warm and fashionable.
- Various Occasions: A simple, slim-fit, plain long-sleeved t-shirt that can be worn alone in spring and autumn. In winter, it can be worn with a t-shirt or as an inner layer with various jackets. Suitable for home, shopping, playing and other leisure activities.
- Easy care: The material is easy to care for, durable and wrinkle-resistant, so it can be machine washed without any problems.
Kids Base Layer - Athletic Kids Thermal Long Sleeve Top and Leggings Compression Set for Sport Football Basketball Ski
- Keep Warm & Lightweight: Boys base layer consist of a long sleeve top and bottoms with elastic waistband. It is super light, comfy, has excellent warm-keeping performance, and has a windproof function in cold weather. The unisex thermal set will bunch around your children's waistline or sleeves and reduce heat loss.
- Comfortable Like a Second Skin: This boy's thermal underwear set is ultra soft, comfy, with a seamless inner layer, perfect for children's delicate skin. Suitable as a first layer for daily life like comfortable pajamas on nights, or as thermal underwear for outdoor activities in cold weather.
- Excellent Flexibility for Any Activities: Boys ski underwear is made of 4-way stretch fabric for full freedom of movement and no bound. Specially designed for indoor and outdoor activities. Such as football, rugby, skiing, ice hockey, biking, snowboarding, walking, running, hunting etc.
- Moisture Wicking & Quick Dry: The kid's long underwear set is breathable and has a moisture-wicking system, the bottom layer draws moisture away from the skin after sweating, dries quickly, and isolates the cold. Keeping the skin dry will give your child a better wearing experience and no special smell.
- Kids Compression Top and Leggings Features: Crew Neck T-Shirt, Sports Tights with Wide Elastic Waistband, Flat-Lock Seams To Reduce Irritation from Chafing for Greater Comfort During Activities.
Arshiner Kids Thermal Undershirt Top Boys Long Sleeve Shirt Tops Classic Undershirt Slim Fit Tops Casual Turtleneck Pullover for Winter White 10-11 Years
- WARM AND COZY: Our Kids Thermal shirts made of high quality micro fleece fabric to retains body heat for all-day comfort, Breathable fabric with reinforced seams for long-lasting wear and tear.
- CLASSIC DESIGN: This solid color undershirt for boys adopts with elastic turtleneck for easy take on and off and protect your litte Prince against the cold, perfect as a base layer or worn alone for extra warmth.
- EASY TO DRESS UP: This Boy's basic long sleeve Tshirt can easily style with jeans or trousers, under a thicker sweater or coat for a casual chic look in cold days.
- BASICS NEVER WRONG: Boys Basic long sleeve mock pullover top with turtleneck, Simple, timeless style works well under any outfit, suitable for early spring, autumn and winter days.
- EASY CARE: Machine washable for convenient cleaning and maintenance. Available in various color and size to fit boys of different ages and different Matching.
CHICTRY Toddler Boys Girls Turtleneck Thermal Underwear Tops Children Solid Color Long Sleeve Baselayer T-Shirts Undershirts Yellow 11-12 Years
- High-quality fabric thermal underwear for kids will keep your child comfortable when they're out in the cold or relaxing at home
- Mock neck long sleeve T-shirt undershirt with letter print on the neckline. It is great to pair with leggings, casual pants
- Solid color design makes this top excellent for wearing under the outfit. They will also pull double duty as cozy loungewear
- The thermal underwear top is a good gift for your friends or family's children on Christmas, New Year, birthday, and etc
- Size Table means age ranges for kids, but they are for general guidance only. Hand and machine wash recommended
Kids Brushed Thermal Underwear Unisex Boys Girls Long Johns Long Sleeve Shirts T Shirt Bottoms Trousers Tops Winter Warm Underwear Camping Ski Pants (1 x Long Sleeves Top White, 13-14 Year)
- With Advances Thermal Technology
- Internally Brushed Fabric For Ultimate Comfort
- 0.45 Tog For Extra Warmth
- Maximum Warmth Fabric Construction
- Ideal For Daily Wear
SOFTY® Unisex Children Kids Thermal Underwear Short Sleeve T-Shirt Top 2 Piece Pack (White, 9-11 Years)
- 2 PIECE PACK SHORT SLEEVE
- Body contouring guaranteed perfect fit.
- Ribbed fabric for added stretch and comfort.
- 35% Cotton, 65% Polyester
- MACHINE WASHABLE
Pack of 2 Unisex Children Kids Winter Thermal Underwear Vest Boys Girls Round Neck Long Sleeve Thermal Baselayer T-Shirt Top (UK, Age, 6 Years, 7 Years, Regular, White)
- Pack of 2 Kids Thermal Tops Long Sleeves T-Shirt for Boys Girls
- Base layers with a soft brushed inner Comfort Fit The ribbed construction shapes to the contours of the body Keep your kids warm this winter
- Brushed for extra warmth and comfort. Made from a fine blend of cotton and polyester
- Uses can include school, ski/snow holidays, camping, pyjamas, outdoor trips and many others
- This kids thermal underwear base layer gives protection against the cold winter days whilst remaining discreet and comfortable.
Heat Stoke Kids Thermal Skins Set Long Sleeve Top and Long Johns Leggings, Boys Girls Base Layer. (WHITE, 14-15Years)
- Heat Stoke Pack of 1 Kids Thermal Skins Set Long Sleeve Top and Long Johns Leggings, Boys Girls Base Layer.
- Made Of 50% Cotton And 50% Polyester Soft And Breathable, Moisture-wicking Fabric Can Wick Sweat From Your Child's Body, Then Dry Fast, Keep Your Kids Dry And Comfortable All Day When Football Practices And Games.
- Children's Extreme Ultralight Warmest Top And Thermal Sets Make All Favorite Cold Weather Activities More Pleasant. Whether Snowboarding; Skiing; Camping Or Other Outdoor Sports; Traveling And Even Sleeping Outland Thermal Set Keeps Your Kids Comfortable.
- The Basic Boy And Girl Underwear Undershirt And Bottom Leggings Have An Interior Microfiber Fleece That Is Soft And Cozy; And Feels Great Against Your Skin And Under A Layer Of Clothing.
- The Boys' Base Layer Consists Of A Sleeve Top And Bottoms With An Elastic Waistband. It Is Super Light, And Comfy has Excellent Warm-keeping Performance, And Has A Windproof Function In Cold Weather. The Unisex Thermal Set Will Bunch Around Your Children's Waistline Or Sleeves And Reduce Heat Loss.
- Moisture Wicking And Quick Dry The Kid's Long Thermal Set Is Breathable And Has A Moisture-wicking System, The Bottom Layer Draws Moisture Away From The Skin After Sweating, Dries Quickly, And Isolates The Cold. Keeping The Skin Dry Will Give Your Child A Better Wearing Experience And No Special Smell.
- Washing Instructions Machine Washable At 40°C, Can Be Tumble Dried, Wash Dark Colors Separately.
Boys Base Layer Thermal Kids PE Fitness Long Sleeve School MMA Boxing Gym T-Shirt Winter Outdoor Football Running Hiking Cycling Sports Compression Top (UK, Age, 13 Years, Regular, White)
- Comfort and Performance - Experience superior comfort and peak performance with our boys base layers. Designed for any outdoor adventures like running, cycling or hiking but can also be used for MMA, Gym or Boxing, delivering the support you need to excel.
- Moisture-Wicking - These base layers are crafted from a breathable and sweat-wicking fabric to keep you cool and dry during intense workouts.
- Flexible Fit - The snug yet stretchy material allows for unrestricted movement, enabling you to perform at your peak.
- Long-Lasting - Made from high-quality fabric, these tops are built to withstand repeated wear and washing while maintaining its professional-grade quality.
- Sizing - Available in a range of sizes to accommodate most kids, ensuring a comfortable and secure fit.
GA COMMUNICATIONS KIDS THERMAL WINTER WARM UNDERWEAR FULL SET LONG JOHN BOTTOM AND LONG SLEEVE TOP[Black,11-12
- UNISEX THERMAL FULL SET: The long sleeve thermal shirt and pants for boys and girls are good to wear at home or as a base layer undercoats, it also can be a comfy suit on cold nights. The compression sets fit improves blood flow and oxygen supply which maintains its shape even after repeated washing.
- MOISTURE WICKING COMPRESSION FIT: The moisture management system wicks perspiration and dries quickly. It will give protection for kid's skin, and joints with less risk of rash, overheating or muscle fatigue in athletic activities. These boys and girls compression shirts and pants keep cold air away from children body and not lose away.
- WINTER WARM FABRIC: Winter warm underwear is designed for extra warmth and comfort. Made of 50% polyester, 50% cotton blend skin-touch fabric, our kid's thermal wear in normal thickness is lightweight, keeps your kids warm without feeling bulky.
- SUITABLE FOR ALL SEASONS: These long john bottoms with long sleeve tops are best used as a base layer under your child's clothing in cold to very cold weather and medium to high activity levels. Your kids can wear it for active sports like baseball, basketball, soccer, football, squat, weight training, cycle, yoga, skiing, snowboarding and all-weather sports.
- FOUR-WAY STRETCHABLE: The athletic tights with full sleeves are designed with four-way stretch fabric for your kid's freedom of activities, really slim and light without bound feeling, allowing kids to bend, stretch, jump and run freely. The base layer sets allow greater mobility in any direction.
ANZEE Kids Thermal Long Sleeve Base Layer Unisex Top Ultra-Warm Winter Vest Inner Childern Shirt for Outdoor Sports Running Boys & Girls Everyday Wear (6-7 White Pack of 4)
- Ultra-Warm and Insulated: Designed with premium thermal fabric that traps body heat, keeping your kids warm and cozy even in freezing temperatures.
- Soft and Skin-Friendly: Made from gentle, irritation-free materials perfect for kids with sensitive skin, ensuring all-day comfort.
- Breathable and Moisture-Wicking: Keeps your kids dry and comfortable by allowing airflow and wicking away sweat during active play or sports.
- Lightweight and Flexible Fit: Stretchable fabric ensures freedom of movement, making it ideal for running, sports, and outdoor adventures.
- Durable and Versatile Design: Built to last through frequent washes and active use, perfect as a standalone top or a base layer for any cold-weather activity.
Towintec Boys' Base Layer Top Short sleeve Quick Dry Compression Shirts Athletic Sportswear Undershirts Breathable TeeTops Lightweight Wicking Fit T Shirt for Running Gym Soccer Basketball Football
- Multi-Sport Moisture Control: The quick dry breathable workout top wicks sweat 30% faster than standard vests undershirt, making it essential for gym sessions or school sports days. Youth-specific ergonomic sleeves enhance running performance, while compression support aids muscle recovery after exercise.
- Casual-to-Sport Transition: From classroom to athletic field, this compression shirt boys features dual-purpose styling with quick dry performance. The spandex-enhanced collar maintains shape during football tackles, while breathability is up to sportswear standards for all-day wear.
- Ultra-Breathable Youth Sportswear：Engineered with quick dry moisture wicking fabric, Towintec's compression shirt boys kids youth base layer keeps skin dry during athletic workout running gym soccer basketball football. The lightweight spandex blend ensures breathable comfort for high-intensity activities or casual wear.
- 4-Way Stretch for Dynamic Fit：Featuring compression shirt technology with athletic 4D elasticity, this baselayer short sleeve moves seamlessly with growing bodies. Ideal for youth athletes needing unrestricted motion in sportswear, the fit Tshirt contours without constriction, while thermal-inspired weave retains warmth during outdoor football sessions.
- Comfortable and versatile ：Designed as versatile athletic tops for boys, the baselayer works equally well under shirts or solo during soccer practice. Moisture wicking technology combats clamminess, while lightweight fabric prevents bulkiness when paired with youth leggings.-
Published date: 2024-05-28 12:02:59