What is GrindStone Racing?

GrindStone Racing is a motorsport apparel brand specializing in premium-quality karting suits, racing suits, and custom-made gear for drivers and enthusiasts across the Globe. We combine safety, comfort, and style in every design.

Do you offer custom-made racing suits?

Yes, we offer fully custom-made racing and karting suits. You can choose your colors, design, logos, and measurements to create a personalized suit that fits your exact preferences and needs.

What materials do you use in your suits?

Our suits are crafted from high-quality, polyester Cordura with cotton towel lining designed to meet racing standards. Each material is carefully chosen for maximum satety, durability, and comfort.

How long does it take to receive a custom suit?

Custom suit orders typically take 3–4 weeks to complete, including design, production, and delivery. Ready-made suits are usually shipped within 2–5 business days.

Do your suits meet racing safety standards?

Yes, our racing suits are designed to comply with motorsport safety standards, offering superior protection and comfort for both drivers and enthusiasts

What if my suit doesn’t fit perfectly?

We want every customer to be 100% satisfied. If your suit doesn’t fit as expected, we offer adjustments or exchanges depending on the case. Please contact our support team within 7 days of delivery for assistance.

Do you ship outside Uk & Europe ?

Yes, we ship worldwide! Whether you're in US, Europe, Australia, Asia, or the Middle East, we deliver high-quality racing and karting suits to motorsport enthusiasts globally.

Thunder Head Go Karting Suit

Name: Thunder Head Go Karting Suit
Brand: GRIND STONE
SKU: GS-KS-THUNDERHEADGOKARTINGSUIT-100T
Price: 99.0 USD
Availability: InStock

-

$99.00

Size	Size	Chest	Waist	Hips	Height
100 *	Toddler	51–54 cm	47–50 cm	57–60 cm	Up to 100 cm
110 *	Toddler	55–58 cm	51–54 cm	61–64 cm	Up to 110 cm
120 *	Youth	59–62 cm	55–58 cm	65–68 cm	Up to 120 cm
130 *	Youth	63–67 cm	59–62 cm	69–72 cm	Up to 130 cm
140 *	Youth	68–74 cm	63–67 cm	73–76 cm	Up to 140 cm
150 *	Youth	77–80 cm	65–68 cm	77–80 cm	Up to 150 cm
XS	42	81–84 cm	69–72 cm	81–84 cm	159–162 cm
XS	44	85–88 cm	73–76 cm	85–88 cm	163–166 cm
S	46	89–92 cm	77–80 cm	89–92 cm	167–169 cm
S	48	93–96 cm	81–84 cm	93–96 cm	170–172 cm
M	50	97–100 cm	85–88 cm	97–100 cm	173–175 cm
M	52	101–104 cm	89–92 cm	101–104 cm	176–178 cm
L	54	105–108 cm	93–96 cm	105–108 cm	179–181 cm
L	56	109–112 cm	97–100 cm	109–112 cm	182–184 cm
XL	58	113–116 cm	101–104 cm	113–116 cm	185–187 cm
2XL	60	117–120 cm	105–108 cm	117–120 cm	188–190 cm
3XL	62	121–124 cm	109–112 cm	121–124 cm	191–193 cm
4XL	64	125–128 cm	113–116 cm	125–128 cm	194–197 cm
5XL	66	129–132 cm	117–120 cm	129–132 cm	198–201 cm

Size	OMP Size	Chest	Waist	Hips	Height
100 *	Toddler	20.1–21.3 in	18.5–19.7 in	22.4–23.6 in	Up to 39.4 in
110 *	Toddler	21.7–22.8 in	20.1–21.3 in	24.0–25.2 in	Up to 43.3 in
120 *	Youth	23.2–24.4 in	21.7–22.8 in	25.6–26.8 in	Up to 47.2 in
130 *	Youth	24.8–26.4 in	23.2–24.4 in	27.2–28.3 in	Up to 51.2 in
140 *	Youth	26.8–29.1 in	24.8–26.4 in	28.7–29.9 in	Up to 55.1 in
150 *	Youth	30.3–31.5 in	25.6–26.8 in	30.3–31.5 in	Up to 59.1 in
XS	42	31.9–33.1 in	27.2–28.3 in	31.9–33.1 in	62.6–63.8 in
XS	44	33.5–34.6 in	28.7–29.9 in	33.5–34.6 in	64.2–65.4 in
S	46	35.0–36.2 in	30.3–31.5 in	35.0–36.2 in	65.7–66.5 in
S	48	36.6–37.8 in	31.9–33.1 in	36.6–37.8 in	66.9–67.7 in
M	50	38.2–39.4 in	33.5–34.6 in	38.2–39.4 in	68.1–68.9 in
M	52	39.8–40.9 in	35.0–36.2 in	39.8–40.9 in	69.3–70.1 in
L	54	41.3–42.5 in	36.6–37.8 in	41.3–42.5 in	70.5–71.3 in
L	56	42.9–44.1 in	38.2–39.4 in	42.9–44.1 in	71.7–72.4 in
XL	58	44.5–45.7 in	39.8–40.9 in	44.5–45.7 in	72.8–73.6 in
2XL	60	46.1–47.2 in	41.3–42.5 in	46.1–47.2 in	74.0–74.8 in
3XL	62	47.6–48.8 in	42.9–44.1 in	47.6–48.8 in	75.2–76.0 in
4XL	64	49.2–50.4 in	44.5–45.7 in	49.2–50.4 in	76.4–77.6 in
5XL	66	50.8–52.0 in	46.1–47.2 in	50.8–52.0 in	78.0–79.1 in

Estimated Delivery:Nov 14 - Nov 18
Shipping to United States:$35.00

Free Gift: Balaclava included with every order

Guarantee safe & secure checkout

Thunder Head Go Karting Suit

Why it takes this long

✂

Made to order

No stock. We start cutting the moment you order.

🏭

3–5 days to build

Handled and shipped from our facility.

🌐

6–8 days to arrive

Duty-paid. Our couriers cross oceans to reach you.

📝 Order Processing Time: 3–5 Business Days

Shipping Options

1️⃣ Duty Paid Standard Shipping — Estimated 8–15 business days depending on your region

2️⃣ Free Duty Paid Shipping — Orders over $350 USD — Estimated 8–15 business days

⚠️ Delivery timeframes may vary due to customs clearance, weather conditions, or carrier delays beyond our control.

For full details, visit our Shipping Policy page.

We want you to love what you receive. If something isn't right, you can return your item within 14 days of delivery.

Return Conditions

✅ Items must be unused, unworn, and in their original condition

✅ Original packaging must be intact and resellable

✅ Return shipping costs are the customer's responsibility

❌ Personalised items are not eligible for return

How to Return
Contact us at support@grindstoneracing.com to initiate a return. Once we receive and inspect your item, we'll process your refund or exchange within 5–10 business days.

For full details, visit our Returns Policy page.

Worldwide Shipping

Limited Production Slots

Custom Designs Available

Thunder Head Go Karting Suit

Thunder Head Go Karting Suit

Thunder Head Go Karting Suit

Why it takes this long

Made to order

3–5 days to build

6–8 days to arrive

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Thunder Head Go Karting Suit

Thunder Head Go Karting Suit

Why it takes this long

Made to order

3–5 days to build

6–8 days to arrive

Recently Viewed Products

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