Verdict from 6 experts and +100 user reviews

6 reasons to buy

  • The majority of the Merrell All Out Blaze Sieve reviews talk about how comfortable it is, with or without socks.
  • It's a lightweight everyday outdoor shoe, which makes climbing and hiking easier, according to many.
  • Plenty of users also give it high ratings for its sturdy build.
  • Several people mention the grippy and stiff sole of the All Out Blaze Sieve convertible sandal that makes it good enough for light hiking.
  • Lots of verified buyers highly recommend this water hiking shoe for being protective and supportive.
  • This shoe-like sandal is also very lightweight, which has pleased many users.

2 reasons not to buy

  • They aren't very good for wet rock hiking, according to several users.
  • A few hikers have had problems shaking off pebbles, sand, and rocks from their Merrell All Out Blaze Sieve water shoes.

Bottom line

Nimble, durable, and comfortable - the Merrell All Out Blaze Sieve water sandals get high marks for their performance on and off the water. A big plus is its durable Vibram outsole that is stiff enough for day hiking in easy trails.

While dirt and debris can be a bit challenging to deal with, this hiking shoe offers plenty of features. They fit the bill for anyone looking for lightweight hiking shoes that they can take to the beach, forest trails, and everywhere else that calls for highly breathable footwear.

Tip: see the best hiking shoes.

Good to know

-The Merrell All Out Blaze Sieve is a closed-toe water sandal made of leather and neoprene uppers that are quick-drying and abrasion-resistant. It's equipped with a durable Vibram sole with water channeling design to get you through wet surfaces. Meanwhile, the adjustable bungee cord lacing system makes adjusting the fit quick and easy as you hop from water to land and vice versa.

-For its cushioning system, this Merrell hiking shoe features the UniFly midsole that absorbs shock well and promotes foot stability on the trail. It is also treated with an antimicrobial solution to help keep your feet feeling and smelling fresh.

This water hiking sandal has a closed-toe construction to provide your foot with as much coverage without sacrificing breathability and ease of movement. The neoprene lining is soft and stretchy, creating a glove-like fit. It also makes use of a bungee cord lacing system which delivers a secure fit while eliminating the need for tying laces. Furthermore, the shoe features an elastic neoprene collar for easy on and off.

Designed for diverse terrains, these water sandals from the Merrell All Out Blaze collection are made with Vibram outsoles with grooves along the sides for easy dispersal of water. They have a lug depth of 3mm, which makes them suitable for easy trails, concrete surfaces, rocks, and the like. Also, the All Out Blaze Sieve has a stiffer outsole so you don't feel sharp rocks, sticks, and other trail hazards under your feet. 

This lightweight hiking shoe from Merrell uses the UniFly midsole which is soft to the foot and firm to the ground, thereby promoting shock absorption and stability. It's an ideal cushioning system for water hiking shoes when you constantly navigate varying terrains.

Unique to this shoe is its stylish, closed-toe construction. The outer part of the upper is made of waxed Nubuck leather that provides a good level of protection against scuffing and abrasion. Lining the interior is neoprene which is very soft and pliable, and most importantly - dries quickly. The upper also contains antibacterial agents to control odor, which is a very common problem with wet shoes.


How Merrell All Out Blaze Sieve ranks compared to all other shoes
Top 14% hiking shoes
All hiking shoes
Top 16% Merrell hiking shoes
All Merrell hiking shoes
Top 28% water hiking hiking shoes
All water hiking hiking shoes


The current trend of Merrell All Out Blaze Sieve.
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Paul Ronto
Paul Ronto

Paul loves adventure. Over the past 20 years, he has climbed, hiked, and ran all over the world. He’s summited peaks throughout the Americas, trekked through Africa, and tested his endurance in 24-hour trail races. He has worked in the outdoor industry as a whitewater and hunting guide, gear tester, copywriter, and outfitting specialist at places like The National Outdoor Leadership School, No Barriers USA, and Sierra Trading Post. He has been quoted in NYMag, NBCNews, and Business Insider to name a few.