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Aero Tech Big Padded Bicycle Touring Underwear
Aero Tech Big Padded Bicycle Touring UnderwearAero Tech Big Padded Bicycle Touring Underwear

Aero Tech Big Padded Bicycle Touring Underwear

Item #:SMPX601BK
Brand:Aero Tech Designs
Availability:In Stock Usually ships the next business day
  • Product Details
  • Size Chart
  • Fabrics
  • Chamois
  • Related Products
  • Product Reviews

Aero Tech - Padded Touring Underwear

made in usaSuper cool mesh cycling liner. Convert any short into a cycling garment and enjoy your bike ride. This cool micro mesh liner is great as anundergarment. It is made from a soft and stretchy fabric. It is a Wicking Polyester that is knitted with highly technical yarns that are a blend of 83% Polyester / 17% Spandex

Padded bicycling underwear is a micro mesh fabric that is 83% Polyester / 17% Spandex

polyester meshMesh Fabric is extremely breathable and cool.Legs stay in place with light elastic. Flatlocked seams are soft and smooth next to your skin. This garment makes a good liner.


* Creates a Chafe - Free area
* Padded Underwear is great for Cycling
* Fabric is a wicking mesh that is very cool
* Light Elastic hem on leg hems
* Fits like a dream with a six panel anatomical cut
* Seams are flat locked for next to skin softness

bicycling unWaist on bicycle underwear

Wide waist elastic is soft and luxurious, brushed on the inside for softness next to skin.  Seams are flatlocked for smooth and stretchy seams.


Elastic Interface Technology created this new pad specially developed to provide maximum performance and comfort for multi-sport athletes.  For the first time, multi-sport athletes will have a short insert with high density foam, which provides maximum protection with a slim profile. Plus, E.I.T. Super-Tri with all-way stretch fabric platform guarantee total freedom of movement and excellent fit. To meet the needs of a wide range of multi-sport athletes.

triathlon chamois pad Large FXCY312
Foams: Quick Dry Perforated MicroFiber elastic interface pad
Thickness 3 mm
Density 60 kg
Fabric: 80% Nylon 20% Spandex




Bicycle Underwear Size Chart
Small Medium Large X-Large 2X-Large 3X-Large 4X-Large 5X-Large
Waist (inches) 28-30 32-34 35-37 38-40 42-44 46-48 50-52 54-56
Inseam 8 8 1/2 8 3/4 9 1/4 9 1/2 9 5/8 9 3/4 9 3/4

aero tech bicycling underwear

aero tech designs cycling apparel

Bicycle Underwear Size Chart
Small Medium Large X-Large 2X-Large 3X-Large 4X-Large 5X-Large
Waist (inches) 28-30 32-34 35-37 38-40 42-44 46-48 50-52 54-56
Inseam 8 8 1/2 8 3/4 9 1/4 9 1/2 9 5/8 9 3/4 9 3/4
83% Polyester / 17% Spandex

TRIATHLON - Elastic Interface Technology

triathlon chamois pad Large FXCY312

Replacement crotch pad includes sewing instructions

elastic interface technologyCYTECH has created this unique pad just for Triathlon garments, with a single density foam which guarantees optimum protection, while the highly elastic fabric provides total freedom of movement and excellent fit. Color: Black

Foams: Quick Dry Perforated MicroFiber
Thickness 6 mm total thickness on sit bones
3 mm anti chafe wings
Density 60 kg
Fabric: 80% Nylon 20% Spandex
15 Reviews
73% (11)
20% (3)
7% (1)
0% (0)
0% (0)
100% Recommend this product (15 of 15 responses)
By Neil
Norfolk, united kingdom
March 25, 2017
Really Comfortable
Never used these before as a big guy trying to get fit cycling whereas I could cycle so far and then discomfort but now I can comfortably cycle much further with little pain.
ConsCost to buy from USA postage is huge
By John Casey
March 23, 2017
Good fit
Lightweight, breathable and most importantly comfortable
By dpatt
phoenix az
November 13, 2016
Great so far
I am a big guy trying to lose weight and doing a lot of bike riding. These fit me and really made a difference in comfort while riding. Never thought I would wear padded bike shorts but I am sold on them.
By John144
Delray Beach, Fl
June 21, 2016
ATD Big Padded Underwear
I use the underwear for daily wear to help support a few problems in the groin area.
ProsGreat workmanship been buying them for years.
November 24, 2015
Finally for the wider rider
Trying to find bicycling clothes to fit when shprt and wide can be tough. These fit great
By Mark
Kansas City
November 4, 2015
Good under unpadded shorts.
Wore these on KATY trail under baggy athletic shorts. Worked fine. Legs are long so don't wear with short shorts unless you don't mind strange looks.
By Causal Rider
Mississippi Gulf Coast
October 27, 2015
Good Enough
This underwear works well enough. However, the next level up (Elite Air Gel) works even better, although it is $20 more. Fits well, comfort able enough with adequate padding for shorter rides.
ProsLess costly and yet does the job for the causal rider.
ConsA little less comfortable than the Elite Air Gel level.
Best UsesShorter rides.
By Rick
Ann Arbor, MI
October 21, 2015
Excellent underwear for shorter rides
I ordered these mainly for shorter rides. They're not as thickly padded as Aero's baggies or bike shorts, but they fit perfectly, are smooth and not obvious under street shorts yet offer padding for those shorter rides of 10 miles or so. They stayed in place, didn't bunch or migrate, etc. And the price compared with other liners is fair. I'll pick up a pair of baggies or bike shorts with thicker padding for the longer rides next.
ProsLook completely unobtrusive under street clothes, comfortable, they stay where they should
ConsThicker pad would be better for longer rides of more than 25 miles - would recommend dedicated baggies or bike shorts instead for those.
Best Usesshort rides, rides combined with non biking purposes like commuting, shopping, etc.
By Ray
October 14, 2015
Great Shorts!
I very pleased with the shorts, especially the sizing and that the fit me properly. They appear to be top quality and I hope that time proves them so! Thank you for shipping them so quickly.
By bsman
Santa Clara, CA
June 8, 2015
Comfortable and durable
I've been wearing these (as an underlayer for the commuter knickers) for a couple of years now, and they're still as comfortable as they were the day I first put them on. The padding and legs stay put, and after a few minutes you hardly know you're wearing them, because the padding, although very sufficient, is not too thick or combersome.
By Chris
Santa Rosa Beach, FL
May 21, 2015
Great for big guys
I bought these when I was first beginning to ride and they fit great. Very comfortable. Keeps you dry. The sizing chart is pretty much spot on. However, the padding is really thin. These are wonderful for short rides, like I was doing in the beginning, but now that I'm starting to spend 45-60 min on the bike during my rides I'm finding the padding just doesn't cut it that long term. I'd say these are perfect for up to 30 min rides, but beyond that the padding is too thin.
By Mike
Pittsburgh Pa
April 7, 2015
Great product
Great value very well made delivery was fast. Will buy from you again.
By Bob
Midland, MI
February 24, 2015
Works for me
I didn't enjoy the heavy padding of biking shorts and found the padded underwear works great for me....and.....it can be worn under any outer garment from shorts in warm weather to sweatpants in cold weather.
North Carolina
February 24, 2015
Great Product
I ride a performance motorcycle 120 to 200 miles a day. Your butt can really get sore doing this kind of mileage in the heat of the south. These are fatigue reducing compression clothing that I consider a must for the way I travel.
By Mike
Pittsburgh, Pa
February 24, 2015
Great product
Great value, very well made, delivery was fast. Will buy from you again.