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Alpinestars Tech Base Underwear Top
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  • Alpinestars Tech Base Underwear Top - Black
  • Alpinestars Tech Base Underwear Top - Black

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Size Chart
MSRP
$69.95
Savings (15%):
$10.49
Price
$59.46

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Alpinestars Tech Base Underwear Top

Alpinestars’ Tech Race underwear keeps you cool and comfortable under your suit during warm weather racing and helps with getting in and out of your suit. 

Features:

  • Designed for warm-weather riding
  • Coldtack fabric construction
  • Micro-perforated insert panel for comfort and breathability
  • Ergonomic flat-lock seam construction
  • Compression fit designed to reduce muscle fatigue
  • Printed Astar logo

Alpinestars Men's Base Layer Sizing:

Euro Alpha US Pant Size Chest (cm) Waist (cm) Hips (cm) Thigh (cm) Inseam (cm) Arm (cm) Height (cm)
44 XS 28 86-90 72-76 87-91 52-53 75-76 53-54 164-167
46 SM 30 90-94 76-80 91-95 54-55 77-78 55-56 168-171
48 SM-MD 32 94-98 80-84 95-99 56-57 79-80 57-58 172-175
50 MD-LG 34 98-102 84-88 99-103 58-59 81-82 59-60 176-179
52 LG 36 102-106 88-92 103-107 60-61 83-84 61-62 180-183
54 XL 38 106-110 92-96 107-111 62-63 85-86 63-64 184-187
56 XL-2XL 40 110-114 96-100 111-115 64-65 87-88 65-66 188-191
58 2XL 42 114-118 100-104 115-119 66-67 89-90 67-68 192-195

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 / SM 304067 475348-10-S/29400074 Only 1 Left: Ships within 24 hours
Black / MD 304068 29400075/475348-10-M Out of Stock
Black / LG 304069 475348-10-L/29400076 Out of Stock
Black / XL 304070 475348-10-XL/29400077 Only 1 Left: Ships within 24 hours
Black / 2XL 304071 475348-10-2X/29400078 In Stock: Ships within 24 hours
Black / 3XL 304072 475348-10-3X/29400079 Available: Requires 1-5 business days lead time prior to shipment

Shipping

Orders $39.99 and over qualify for our fast free shipping offer. Click Here for FREE Shipping Terms and Conditions.

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.

Returns

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 Tech Base Underwear Top 3.5 5 2 2
Must have for Leather Jackets I wear leather year round and wearing a t-shirt under race cut leather makes for amusing times with friends. I always wear a base layer such as this under my leathers(A* Motegi & A* Celer) to make removal easier and to keep me feeling comfortable. I sweat a lot and this base layer makes me feel like I'm not sweating. Its ability to wick sweat helps me feel much cooler than if I were to be stewing in my own sweat. I once decided to skip the base layer and go with just a t-shirt. When we got to our destination, I had 2 friends pulling on each arm of my leather jacket because the sweat made it so hard to remove. We got a lot of strange looks from passerbys. With this base layer, my jacket slides right off. Surprisingly, the base layer doesn't smell after riding. I do hand wash it regularly. October 27, 2014
Good Air Flow Offers good air flow, even when standing off the bike with your jacket/suit off, you can feel the slightest breeze flow through. Could offer more features for its price. September 26, 2011
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Have a functionality, fit, or otherwise product-specific question about the Alpinestars Tech Base Underwear Top? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.