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Alpinestars Tech Base Bottom
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  • Alpinestars Tech Base Bottom - Black
  • Alpinestars Tech Base Bottom - Black

Please select a Size to check availability, or to add this item to your Shopping Cart or Wish List.

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Size Chart
MSRP
$64.95
Savings (15%):
$9.74
Price
$55.21

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Tech Base Bottom

Alpinestars’ Tech Base underwear is specifically designed for an ergonomic cut in the riding position. Gives an effective comfort and muscle support layer under your leather suit or jacket during warm weather.

Features:

  • Cut for general street / sport bike use, for race version see Alpinestars Tech Underwear
  • Designed for warm weather riding
  • Coldtack fabric construction
  • Micro profrated insert panel for comfort and breathablity
  • Ergonomic flat lock seam construction
  • Relaxed fit design for comfort
  • 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 304061 29400068/475358-10-S Out of Stock
Black / MD 304062 29400069/475358-10-M Out of Stock
Black / LG 304063 29400070/475358-10-L Out of Stock
Black / XL 304064 29400071/47535810XL Out of Stock
Black / 2XL 304065 475358-10-2X/29400072 Available: Requires 1-5 business days lead time prior to shipment
Black / 3XL 304066 475358-10-3X/29400073 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 Bottom 4 5 1 1
Good moisture wicking capability. The base underwear is really good at wicking moisture, it has an excellent air flow. A must for warm weather riding. September 26, 2011
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Have a functionality, fit, or otherwise product-specific question about the Alpinestars Tech Base Bottom? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.