
Description
Build Their Style – adidas x LEGO Fleece Track Pants
Creative Modular Utility: The adidas x LEGO Kids' Convertible Fleece Track Pants Experience playful imagination and a locked-in modular profile engineered to bridge all-day playground energy with creative downtime. The GN6803 stands out as a core highlight from the landmark adidas x LEGO collaboration, translating the beloved building-brick aesthetic into functional youth sportswear. A vibrant, high-saturation "Core Green" base is energized by dynamic "Bright Blue" LEGO brick-inspired accents and collaborative badging, creating an optimistic, high-contrast colour story that sparks creativity while keeping young creators warm.
Benefits: Engineered for active school days, outdoor play sessions, and indoor floor building, these convertible track bottoms are spun from a plush 63/37 cotton-recycled polyester doubleknit fleece that acts as a primary thermal shield against chilly breezes while resisting surface friction and rough carpet wear. Built with a skate-inspired drop-crotch and a relaxed tapered leg, the cut grants the unrestricted mobility required for deep kneeling, park agility, and non-stop running. Its standout modular feature—zip-off convertible lower legs—allows kids to instantly transform full-length fleece sweatpants into breezy play shorts whenever the afternoon warms up or activity levels peak.
Key Features:
-
Modular Zip-Off Convertible Architecture: Heavy-duty horizontal zippers located above the knee that allow quick conversion from warm full-length joggers into active play shorts.
-
Resilient Cotton-Poly Doubleknit Fleece: 63% cotton and 37% recycled polyester knit engineered for pill-resistant exterior durability, thermal insulation, and a soft, non-scratch hand-feel.
-
Freedom-Focused Drop-Crotch Cut: Loosened crotch and seat construction designed to facilitate unrestricted leg extension, kneeling, and continuous floor play.
-
Multi-Pocket Utility Matrix: Generous dual front slash pockets and rear pockets configured for ample carriage of minifigures, LEGO bricks, snacks, and daily treasures.
-
Adaptable Drawcord Elastic Waistband: Flexible gathered core backed by an adjustable internal drawstring for reliable, slip-free hip containment during dynamic sprinting.
-
Signature adidas x LEGO Insignia: High-density co-branded silicone and woven patches celebrating the world-famous Danish building system alongside heritage athletic branding.
Product Details:
-
Product Name: adidas x LEGO Kids' Fleece Track Pants
-
Collection: adidas x LEGO Collaboration
-
Colourway: Core Green / Bright Blue
-
Style Code: GN6803
-
Material: 63% Cotton / 37% Recycled Polyester Doubleknit Fleece
-
Fit: Regular Tapered Fit with Drop Crotch
-
Modularity: Zip-Off Detachable Lower Legs
Buyer Guidance & Fit Profile:
-
Who This Product Is Best Suited For: Ideal for active kids, school-age creators, and young LEGO fans needing a versatile 2-in-1 garment that transitions seamlessly between brisk morning school runs and high-sweat playground afternoons. Coordinates effortlessly with matching adidas x LEGO graphic crewnecks, bright moisture-wicking tees, and colourful junior footwear like the adidas x LEGO Sport, FortaRun, or classic Stan Smith straps. Not intended for technical water sports, heavy mud immersion, or competitive pitch football where sleek, stretch-spandex drill bottoms are required.
-
Fit & Sizing Determination: Fits True to Size (TTS) across standard youth height and age metrics, featuring an easy Drop-Crotch Regular Tapered Fit. The pants provide generous room through the seat and thighs before narrowing neatly down to the ankle. Parents of kids who are between standard height brackets should consider stepping one size up to maximize longevity and growth room, as the adjustable drawcord waist easily accommodates a leaner midsection.
-
Recommended Conditions & Activities: Optimised for trans-seasonal autumn and spring wear, indoor floor building, outdoor recess, and weekend family outings in fluctuating temperatures. The 2-in-1 zip-off system adapts instantly to changing ambient weather. Care Recommendation: Ensure all leg zippers are fully closed, turn the garment inside out to protect the co-branded rubber patches, and machine wash cold on a gentle cycle; line dry naturally away from high heat to preserve zipper alignment and prevent fleece shrinkage.
Payments

Do You Accept Payment Over The Phone?
Yes, if you would like to pay for your item over the phone then please call us on 0161 336 2595 and we will have someone talk you through the process and complete your transaction. Please have all card details with you for a quicker and easier payment.
Are My Details Secure?
Absolutely! Trade Sports uses a 128-bit SSL certificate on the checkout page supplied by and kept up to date by Shopify to ensure that all customer information is kept secure and private at all times. We also use PayPal and Shopify Payments so you can rest assured that any private or sensitive information is safe.
Returns
Returns & Exchanges Policy
We want you to be completely satisfied with your order from Trade Sports. If an item isn’t quite right, we offer a straightforward 30-day returns window from the date of delivery for a refund or size/colour exchange.
Return Conditions
To qualify for a refund or exchange, items must meet the following criteria:
- Unworn & Unwashed: Items must be in pristine, brand-new condition with all original brand tags attached.
- Original Packaging: Items must be in their original manufacturer packaging (including branded footwear boxes and accessory bags).
- Protect the Box: Footwear boxes must not be taped or labelled directly. Please place the shoebox inside an outer mailing bag or postage box.
- Timeframe: Initiated within 30 days of delivery.
How to Return or Exchange (UK Customers)
All returns and exchanges are processed quickly and digitally through our online returns portal:
- Log In: Enter your order number and email/postcode into the portal.
- Select Items: Choose the items you wish to return and select whether you want a Refund or an Exchange (different size or colour).
- Pay & Generate Label: The tracked Royal Mail return label is £3.65, payable securely directly within the portal before your label is generated.
- Pack Your Parcel: Attach the label to your outer postal bag (never tape the shoebox directly). Drop it off at your nearest Post Office or parcel drop-off point.
Please note: Because your label is paid upfront in the portal, your item refund will not be subject to any return postage deductions upon arrival. For size or colour exchanges, once we receive and inspect your original pair, your replacement will be dispatched free of charge.
Prefer to Arrange Your Own Courier?
If you would rather use your own shipping method, please ensure you use a tracked service and obtain proof of postage. Address your parcel to:
Trade Sports Returns
Alpha House, Peel Street
Denton, Manchester
M34 3JY
United Kingdom
Damaged, Faulty, or Incorrect Items
Mistakes happen, and if we have sent you the wrong item or your order has arrived damaged or defective, we will put it right immediately at no cost to you.
Please email us right away at sales@tradesports.co.uk with your order number and a photo of the issue. We will supply a complimentary prepaid returns label.
(Please note: If you choose to arrange your own return shipping without contacting us first, return postage will only be reimbursed up to a maximum of £3.65).
Refunds & Processing Times
- Inspection: Once your parcel arrives at our Denton warehouse, our team will inspect the items against our return criteria.
- Processing: Please allow 2–3 working days from delivery for our warehouse to process your parcel.
- Payment Clearance: Once processed, you will receive an email confirmation. Funds typically take 5–7 working days to clear back into your original payment method.
- Original Shipping Fees: Express shipping upgrades (such as Royal Mail Tracked 24 or Special Delivery) are non-refundable in accordance with the Consumer Rights Act 2015.
International Returns (Outside the UK)
- Customers outside the UK are welcome to return items within the 30-day window using a tracked courier service of their choice.
- Return shipping costs and any applicable customs duties for overseas returns are the customer’s responsibility. We do not provide prepaid returns labels for international orders.
- EU Customers: In line with consumer regulations, standard original shipping costs will be refunded alongside the item value.
Extended Christmas Returns
Orders placed between 1st November and 24th December qualify for our extended holiday returns window. You have 60 days from purchase to return or exchange gifts, provided items remain unworn, brand new, and in their original packaging.
Related products
Recently viewed products
- Choosing a selection results in a full page refresh.
- Opens in a new window.