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Mountain Hardwear
Crater Lake Long-Sleeve Top - Women's

4.71875 out of 5 stars
32 Reviews

Out of Stock

Don't worry though, we have a lot more Women's Long-Sleeve Performance Tops in stock than that.

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Why We Like The Crater Lake Long-Sleeve Top

In the Crater Lake Long-Sleeve Top, we can complete all our favorite summer plans without a second thought about air-conditioning or sunscreen. Long, full-coverage sleeves and a crew neckline keep our upper body covered, shielding us from harmful solar rays while we trek, cast, run, and play.


  • Long-sleeve crewneck designed for hot and sunny summer excursions
  • Sun-blocking fabric with UPF 50 protection to protect the skin
  • Synthetic construction for quick-drying, moisture-wicking power
  • Gusseted underarms and raglan sleeves increase comfortable mobility
  • Thumbhole cuffs keep sleeves in place during active exercise
  • Item #MHWZ9MH
88% polyester, 12% elastane
Center Back Length
UPF Rating
Claimed Weight
hiking, climb, fly fish, casual
Manufacturer Warranty

Overall Rating

4.5 based on 32 ratings

Review Summary

1 Stars - 1 reviews
2 Stars - 0 reviews
3 Stars - 1 reviews
4 Stars - 3 reviews
5 Stars - 27 reviews

What do you think about this product?


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5 out of 5 stars

July 2, 2024

Great Fabric!

Love the fabric and the fit. Ready to order another color!


Originally reviewed on

5 out of 5 stars

July 2, 2024

Love it

I’m 5’4” 130lbs, got a small, it’s perfect, kind of baggy and oversized, really flattering


Originally reviewed on

5 out of 5 stars

June 13, 2024

What’s not to love?

I love Crater Lake sun shirts!👚 I have several. The fabric is so soft, they have great colors. I also use these in winter to layer!


Originally reviewed on

5 out of 5 stars

May 12, 2024

Camino Shirt!

Can’t wait to wear this shirt on my Camino! Fits perfect, super lightweight, dries quick and best of all. Sun blocks!!


Originally reviewed on

5 out of 5 stars

September 19, 2023

Crater Lake Love!

This shirt fits me so well. It is light weight and great for travel. Have it in pale lavender and this pale aqua blue. Love them!

Climbing traveler

Originally reviewed on

4 out of 5 stars

September 19, 2023

Comfortable long sleeve

I love the Crater Lake shirt material! It’s the perfect combination of sun protection, comfort, and breathability. I prefer the Crater Lake hoodie to the long sleeve because of the fit. This long sleeve hangs longer and is a bit bigger than the hoodie, but is still a great sun protective shirt. I normally wear a Large but a Medium would be better for me in this shirt.


Originally reviewed on

5 out of 5 stars

August 18, 2023

Love these shirts!

Love these shirts for sun protection. They are the coolest 50spf rated shirts I have ever worn. I live in South Florida with intense tropical sun, wringing wet humidity and just plain hot temps morning and night. They are light weight and soft. The sizing runs a little small for my liking as a sun shirt but probably true as a base layer for warmth.

Jilly SW Fl

Originally reviewed on

5 out of 5 stars

August 16, 2023

Great for hiking

Fits perfectly. Lightweight and dries quickly! Great long sleeve shirt


Originally reviewed on

5 out of 5 stars

August 7, 2023

Light and many uses

Light shirt- very comfortable- I bought one size up because I didn't want the shirt to cling to my body- great hiking shirt and great for activities outside in the sun on very hot days- I originally bought it for my gardening work


Originally reviewed on

5 out of 5 stars

August 6, 2023

Great sun shirt

I love this shirt! The shirt material is really soft but durable. It is true to size, I am a 34dd and 145 lbs and medium fits well and not tight.


Originally reviewed on