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Klim Summit LS Tech T-Shirt
  • Klim Summit LS Tech T-Shirt - Grey
  • Klim Summit LS Tech T-Shirt - Grey
  • Klim Summit LS Tech T-Shirt - Red
  • Klim Summit LS Tech T-Shirt - Blue

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Video Review

Klim Summit LS Tech T-Shirt Videos

Klim Summit Long Sleeve Tech Tee

The men’s Summit Tech T is designed as a performance-riding base or mid-layer shirt. Its polyester micro-grid knit main body fabric and stretch panels of poly/spandex fabric make it ideal for all riding duties. Don’t compromise your layering system with a cotton t-shirt, choose a Tech T and stay drier and more comfortable all day. Anti-microbial sweat zones fight the funk of the hardest rides, while its anti-piling 4-way stretch fabrics keep it looking and fitting perfect ride after ride. 


  • Hyper-wicking micro grid polyester knit main body material
  • Massive stretch zones of poly/Spandex blend fabric
  • Highly moisture wicking and fast drying
  • Anti-microbial for less stink
  • Four-way, anti-pilling stretch properties
  • Tagless
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Klim Summit LS Tech T-Shirt 4.6 5 7 7
Nice riding underwear. Comfortable and not dorky. These work well in NorCal. March 2, 2015
Stylish Base Layer I purchased the Summit for its style and features. I do not like zippers and wanted a base layer that was more beefy than the Aggressor Base layer (which I own too). The shirt runs small in my opinion for I ordered the same size that I wear in the Aggressor and it was too small and had to return it. Otherwise it is a good choice for someone that wants a base layer that can be bumped up to a mid layer for extra warmth and look good too. December 18, 2014
An enigma of a shirt This shirt is a marvel of science. In hot weather it wicks away sweat and quickly dries you off yet in cold weather it keeps you warm. No idea how they managed all of this in one shirt but I'm glad they did. I'm 6' 3" and would like to have another inch in length due to the fact when I bend over it untucks itself. When riding I really like to keep my shirt tucked in but for my height this is almost perfect. (Not a deal breaker; I will buy another one soon.) Best part is when I walk around with my jacket off this thing breathes and as an added bonus looks good. Whether I'm wearing my leather jacket or my winter waterproof textile jacket, I won't be out riding without this shirt. September 22, 2014
Warm, Comfortable Base Layer Wore this under my Klim Badlands jacket on a ride today. Temperature ranged from about 50F - 70F - the Summit LS shirt was warm and comfortable all day. Unlike fleece, this material is easy to put a jacket on over without bunching up (particularly in the sleeves). Very happy with this purchase. September 14, 2014
good shirt warmer than it looks Fits to size. Nice style. It looks mid to light weight in the video but it is actually quite thick and warm. Has a waffle weave on the inside. Good for cool to cold days. June 16, 2014
Extremely comfortable Love this shirt. Bought one for my Son also. We both wear it all the time. Great layer and very comfortable and looks great by itself December 9, 2013
Klim rocks!! I have a couple of Klim products and they are really nice and fit my expactations more than I need. September 2, 2013
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Have a functionality, fit, or otherwise product-specific question about the Klim Summit LS Tech T-Shirt? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Klim Summit LS Tech T-Shirt
Already Asked: 1 Question, 5 Answers
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RevZilla Store asked: Why did you choose this?
Scot P: Great base layer for under the Badlands Pro Jacket. Cool in summer and warm in the winter, very comfortable. I bought three more after trying the first shirt. Mar 8, 2015
Cindy K: Purchased as a gift for son-in-law who is an avid motorcycle rider, snowmobiler, and snowboarder who has always wanted Klim apparel. Dec 13, 2014
S T: Wanted something other than a cotton T shirt to wear under my bike jacket and which looks presentable on its own. Sep 27, 2014
Chris B: I chose this to wear under my rain suit and it has done an admirable job keeping me warm in the cold rain. Mar 20, 2014


We highly recommend finding a cloth tape measure and taking the time to take these measurements.  Klim sizes will not necessarily correlate with fitment in other brands.

Klim Men's Base/Mid Layer Top Sizing:

Size Chest (in) Sleeve Length (in)
XS 32 - 34 24 - 25
SM 35 - 37 26 - 27
MD 38 - 40 28 - 29
LG 41 - 43 30 - 32
XL 44 - 47 33 - 34
2XL 48 - 51 35 - 36
3XL 52 - 55 37 - 38

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

Click here to see the full Klim Size Chart
Product Style RevZilla Item # Manufacturer Product # Availability
Grey / SM 842913 6111-001-120-600 In Stock: Usually ships in 1-2 business days
Grey / MD 842916 6111-001-130-600 In Stock: Usually ships in 1-2 business days
Grey / LG 842919 6111-001-140-600 In Stock: Ships within 24 hours
Grey / XL 842922 6111-001-150-600 In Stock: Ships within 24 hours
Grey / 2XL 842925 6111-001-160-600 In Stock: Ships within 24 hours
Grey / 3XL 842928 6111-001-170-600 In Stock: Ships within 24 hours
Red / SM 842911 6111-001-120-100 In Stock: Ships within 24 hours
Red / MD 842914 6111-001-130-100 In Stock: Ships within 24 hours
Red / LG 842917 6111-001-140-100 In Stock: Ships within 24 hours
Red / XL 842920 6111-001-150-100 Out of Stock
Red / 2XL 842923 6111-001-160-100 Out of Stock
Red / 3XL 842926 6111-001-170-100 Out of Stock
Blue / SM 842912 6111-001-120-200 In Stock: Usually ships in 1-2 business days
Blue / MD 842915 6111-001-130-200 Out of Stock
Blue / LG 842918 6111-001-140-200 Out of Stock
Blue / XL 842921 6111-001-150-200 Out of Stock
Blue / 2XL 842924 6111-001-160-200 Out of Stock
Blue / 3XL 842927 6111-001-170-200 In Stock: Ships within 24 hours