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Alpinestars SP-1 Race Suit
  • Alpinestars SP-1 Race Suit - Black
  • Alpinestars SP-1 Race Suit - Black
  • Alpinestars SP-1 Race Suit - White
  • Alpinestars SP-1 Race Suit - White

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Video Review

Alpinestars SP-1 Race Suit Videos

Alpinestars SP-1 One Piece Race Suit

Leading the affordable field, the Alpinestars SP-1 Race Suit is packed with MotoGP technology without tapping your reserves. Whether you are a canyon carver or track rat or both, the Alpinestars SP-1 One Piece Race Suit offers exceptional levels of protection in a comfortable and performance minded suit.


  • Dual density back hump for improved aerodynamic  and cooling performance
  • 1.3mm premium full-grain leather for excellent abrasion resistance. 
  • Removable/adjustable CE certified GP elbow and shoulder protectors with injection molded shell and dual density foam padding.
  • Removable/adjustable CE certified GP-R knee and shin protectors.
  • External PU shoulder sliders provide extra impact protection and help prevent pitching the rider into a tumble when sliding along the ground.
  • Snap connection system allows integration with the CE level 2 certified Bionic Race Back protector which is available as an optional accessory

Alpinestars Men's Race Suit Sizing

Sizing Notes!

Alpinestars numerical sizes displayed on our website are in Euro sizing.

Euro US Suit Size Alpha US Pant Size Chest (cm) Waist (cm) Hips (cm) Thigh (cm) Inseam (cm) Arm (cm) Height (cm)
46 36 SM 30 90-94 76-80 91-95 54-55 77-78 55-56 168-171
48 38 SM-MD 32 94-98 80-84 95-99 56-57 79-80 57-58 172-175
50 40 MD-LG 34 98-102 84-88 99-103 58-59 81-82 59-60 176-179
52 42 LG 36 102-106 88-92 103-107 60-61 83-84 61-62 180-183
54 44 XL 38 106-110 92-96 107-111 62-63 85-86 63-64 184-187
56 46 XL-2XL 40 110-114 96-100 111-115 64-65 87-88 65-66 188-191
58 48 2XL 42 114-118 100-104 115-119 66-67 89-90 67-68 192-195
60 50 3XL 44 118-122 104-108 119-123 68-69 89-90 67-68 192-195
62 52 3XL-4XL 46 122-126 108-112 123-127 70-71 91-92 69-70 196-199
64 54 4XL 48 126-130 112-116 127-131 72-73 91-92 69-70 196-199

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.

How To Measure

C Chest Measure around the fullest part of your chest, under the armpits, keeping the measuring tape parallel to the ground.
W Waist Measure around your natural waistline, around the top of the hip bones, inline with the navel while keeping the measuring tape parallel to the ground.
HP Hips Measure the circumference, from pelvic bone to pelvic bone, at the widest part of your hips below the waist.
I Inseam Measure from the highest point of your crotch down to your ankle, along your inner leg.
H Height With no shoes on, stand with your back against a wall and your feet together. Measure from the floor to the top of your head.
A Arm (Shoulder to Wrist) Standing up straight with your arms at your sides, measure from the Acromion or summit of your shoulder, down to your wrist bone, along the outside of the arm.
T Thigh Measure the circumference of your thighs at the widest point, while in a seated position, with your knees bent to a 90° angle.
Product Style RevZilla Item # Manufacturer Product # Availability
Black / 46 761621 3150811-10-46/28010671 Out of Stock
Black / 48 761622 3150811-10-48/28010672 Out of Stock
Black / 50 761623 3150811-10-50/28010673 Only 3 Left: Ships within 24 hours
Black / 52 761624 3150811-10-52/28010674 In Stock: Ships within 24 hours
Black / 54 761625 3150811-10-54/28010675 In Stock: Ships within 24 hours
Black / 56 761626 3150811-10-56/28010676 Only 1 Left: Ships within 24 hours
Black / 58 761627 3150811-10-58/28010677 Only 2 Left: Ships within 24 hours
Black / 60 761628 3150811-10-60/28010678 Out of Stock
Black / 62 761629 3150811-10-62/28010679 Out of Stock
Black / 64 761630 31508111064/28010680 Out of Stock
White / 46 761631 3150811-20-46/28010681 Out of Stock
White / 48 761632 3150811-20-48/28010682 Available: Requires 1-5 business days lead time prior to shipment
White / 50 761633 3150811-20-50/28010683 Available: Requires 1-5 business days lead time prior to shipment
White / 52 761634 3150811-20-52/28010684 Out of Stock
White / 54 761635 3150811-20-54/28010685 In Stock: Ships within 24 hours
White / 56 761636 3150811-20-56/28010686 In Stock: Ships within 24 hours
White / 58 761637 3150811-20-58/28010687 Out of Stock
White / 60 761638 3150811-20-60/28010688 Out of Stock


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Please see our International Orders page for orders shipping outside the US.

We show real-time availability on this product page when you select the size/color item you want.  Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.

See our full Shipping Policy for further details.


If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

See our full Return Policy for all of the pertinent details.

Write a Product Review for a chance to win our monthly $100 giveaways.
Alpinestars SP-1 Race Suit 5 5 2 2
*Comfy* Breathable * Durable* I've had this for a few months now and WOW! One of the most comfortable suits I've ever been in. Same size as my Joe Rocket suit (44). I'm 5'10" 180lbs. It fits exactly the way I want it to. First time in, already felt broke in. Never was an Alpinestar fan until now. Great bang for buck! March 13, 2014
thanks alpinestars Very good race suit. Being a 5'2 rider I didnt have that much selection on alpinestars race suit.only the sp-1 has size 46 as far as i know on mid level suits.the suit is a little longer on the arms and legs but tight and short on the torso. I had to loose my beer belly(10lbs)so i could breathe easier on my trackday.once your on the bike you hardly notice that its longer.the only complain is the race hump which is put on too high on the back.on tuck position, the hump would always be on the way of my helmet not allowing me to look up more. August 6, 2013
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