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  • Assos NS.skinFoil_summer_s7 Body Insulator - Men's
  • Assos NS.skinFoil_summer_s7 Body Insulator - Men's Side
  • Assos NS.skinFoil_summer_s7 Body Insulator - Men's Back
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AssosNS.skinFoil_summer_s7 Body Insulator - Men's
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Item # AAS004K

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Item # AAS004K

NS.skinFoil_summer_s7 Body Insulator

It's slightly misleading to call the Assos NS.skinFoil_summer_s7 a body insulator, because it's designed to help you stay cool on super-hot days, but we know what Assos is trying to say. "SkinFoil Body Insulator" is the catchall name for Assos' collection of baselayers, which range from ultralight layers to actual thermal garments, and the NS. summer_s7 just happens to fall on the warm-weather end of the spectrum. 

Effective moisture management is key to staying cool, and the summer_s7's blend of nylon and polyester is specially engineered to transport sweat and vapor quickly away from your skin for effective evaporation and cooling. The form fit supports your muscles and prevents discomfort, and the sleeveless design reduces weight and helps prevent overheating when worn under a jersey or jacket.

  • A base layer built to keep the heat out
  • SkinFoil reflects heat and moves moisture out
  • Nylon and poly blend transports sweat and vapor
  • Form-fitting cut supports your muscles while you ride
  • Cut to fit comfortably under your jersey
Tech SpecsSize
Tech Specs
85% nylon, 15% polyester
Insulation Weight
Recommended Use
Manufacturer Warranty


Men's Apparel
Leg, Knee, Arm Warmers0III 

5ft 3in - 5ft 7in

(160 - 170cm)

5ft 7in - 5ft 9in

(168 - 175cm)

5ft 8in - 5ft 11in

(170 - 179cm)

5ft 11in - 6ft 2in

(180 - 187cm)

6ft 1in - 6ft 2in

(185 - 189cm)

6ft 3in+



< 132lb

(< 60kg)

< 154lb

(< 70kg)

< 165lb

(< 75kg)

< 176lb

(< 80kg)

< 187lb

(< 85kg)

< 198lb

(< 90lb)

> 198lb

(> 90lb)


27.5 - 29.1in

(70 - 74cm)

29.2 - 31.5in

(75 - 80cm)

31.6 - 33.8in

(81 - 86cm)

33.8 - 36.2in

(87 - 92cm)

36.3 - 38.9in

(93 - 99cm)

39 - 41.7in

(100 - 106cm)


















Note: Assos clothing has a very slimming, anatomic cut, if your build is less than slim or if you like your fit looser, go up in size.

How to Measure:
For best results, take measurements over your underwear.
Measure around the widest part of your chest.
Bend to the side and measure around the place where your waist bends, keeping the tape a bit loose.

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Great, but...

  • Familiarity: I've put it through the wringer

I consider it more of a cool weather base. I find it too warm for warm summer days.

First Assos gear...lives up to hype

  • Familiarity: I've used it several times
  • Fit: True to size
  • Size Bought: I (S/M)

I find a base layer to be an important part of my kit, and have been trying to find one that makes me happy since Specialized discontinued their mesh base. This, this is it. Nearly completely dry after an hour in the saddle. Amazing. Soft, comfortable, not bulky. Buying another right now.


  • Familiarity: I've put it through the wringer

It's no secret that Assos does baselayers the best. I've been very happy with the SkinFoil Summer, but I did find that I had to size down from I to 0 to get the right fit.

Great piece overall!

Love it

  • Familiarity: I've used it several times
  • Size Bought: medium&large

I wear this layer under my light weight (Assos Mangusta) and middle weight jerseys. I'm 5'11" 165lb and use/own both the medium and large. The material is quite stretchy so both fit without wrinkles. I love the seamless construction.

Great base layer for cardio

  • Familiarity: I've put it through the wringer
  • Fit: Runs small
  • Size Bought: XL

I was a big fan of the Assos interactive base layer but this is much better. Simply put, it does a fantastic job of moving sweat away from your skin and makes a tough workout more comfortable I've bought three of them so I always have one at the ready


  • Familiarity: I've put it through the wringer

Very well thought out concept for moisture management. This works shockingly well; keeping you cool when by removing moisture away from the skin, efficiently, effectively and continuously. It really works.

The material is noticeably more durable than fabrics from other brands, while still remaining exceptionally comfortable. I like to pair this with the ASSOS SS.MANGUSSTA_S7 JERSEY, a combo that works very well for keeping your core body temperature in check.

Sizing was spot on, on 5'10'' 160 lbs. and the medium is a comfortable fit. Could likely fit the smalls for a tighter fit if needed, but the medium fits well.