Comments: I am always looking for a way to reduce my tennis costs as every week its new set of balls. My go to ball is Slazenger, followed by Wilson, then the cheaper Wilsons and Aldi balls and some others here and there. The cheap pressureless ones are pointless. I have only used these for three weeks. They bounce less than all of the above straight out of the can, but the others drop to their level after one set and all bounce less after three sets. They "feel" similar to the good Wilsons, but not as good as Slazenger. The cheap Wilsons and Aldi feel like rocks. They did bounce less after three sets They were not affected much by dew which really fluffs up the Slazengers. Felt stays true. It is great to warm up with these, then start playing with them rather than the graveyard of old balls followed by some really new ones. Summing up, I would love a big bag of these for practice, and will always have 4 in my bag for friendly weekend or kids games (if I pull out 3 week old pressurized ones they are flat, whether I played with them or not) but still prefer learning the skills required and the way the game changes from pressurized balls throughout the course of my weekly match.
From: Frank, 5/13

Comments: My friend bought a canister of 4 and lent them to me for a hit. The balls are a bit heavier than some of the other brands of traditional pressurised balls. I'd compare the 'hardness' to a Slazenger or Head pressurised ball. Upon first hitting with them, I thought they bounced amazing high - a bit artificially than regular balls but the bounces were consistent. Hitting was not a problem, the hardness probably does go away but they felt really crisp when I flattened my groundstrokes. They're very close to regular balls - the only issue with this and other pressurised tennis balls is that they bounce higher than usual balls but hitting wise they're great
From: Anon, 4/13

Comments: I used these for a coaching session when I was working in the Caribbean, and they are as close to standard pressured balls as you will get and I was more than happy to have a rally session for a few hours with these. They work well in all temperatures and are very consistent over many months. Sure they cost a bit but in the long run you will save big as it means you're not having to purchase 120 balls every 4 weeks. Even for the rec player that hits once a week these will be a good investment. How many times have you seen players using dead pressured balls? For long life training and ball machine use these are the go to ball to use. Nothing comes close!
From: Anon, 8/12

Comments: For me, these balls didn't quite live up to all the positivity in some of the reviews, but then again maybe I really didn't know what I was buying. From my point of view these balls actually exist between normal gas-pressured balls and pure pressure-less balls. When I squeeze them, they give much more than a normal gas-pressured and when using them in my ball machine (Silent Partner Lite) they behaved more like pressure-less balls. With all that being said, they were good for ball machine use overall. Consistent and predictable bounce. So for use in practice and grooving strokes off a machine or wall, I'd rate and recommend these highly. For live hitting with a partner and matchplay, I'll stick with normal pressurized balls.
From: J.J. 5/11

Comments: I have used these balls for a few years. I run them through a ball machine for the most part, but save a few for recreational match play. They never go flat and have a consistent bounce. I have to replace balls because the covers wear out or even come off, but not for a couple of years. I found that the seams often crack and split before the felt wears out, thus the comment about covers coming off. At first the balls feel slightly different compared to traditional pressurized balls - a little stiff or boardy. But for new balls the feel is much better than pressureless while closely approximating pressurized balls. However, a couple of sets or ball machine practice sessions and the feel softens (not to be confused with flat) and I can't tell a difference from pressurized. The balls aren't cheap but are a great value.
From: Lance, Salt Lake City, UT, USA, 03/11

Comments: These balls definitely live up to their billing! They feel just a little heavier than normal balls at impact (most noticeable w/overheads) but nowhere near traditional pressureless balls. I bought a 96-pack for my Lobster (Elite III) & for practicing serving & they still bounce fine almost a year & 1/2 later. In fact, the only reason I'm replacing them (which is how I ended up here) is the felt has worn out (again - yr & 1/2 later).
From: Sid, Marietta, GA, USA, 02/11

Comments: I am glad to see these tennis balls for sale on Tennis Warehouse. I was in a tournament a while ago and we used these balls throughout. By far hands down these are the best balls I have ever hit with. They had a lively feel and play, which gave it a good, true bounce every time. The balls lasted the whole matched and were bouncing the same way they did when we opened them. Overall great tennis ball.
From: Anon, MN 01/10

Comments: Kudos to TW for finally stocking these excellent balls! The Micro-X are absolutely the best for ball machines, lessons or practice drills. Like a fine wine, the Tretorns only improve as they age :)
From: Bud, San Diego, CA 10/09

Comments: One of the best balls I have ever used and very glad TW has finally arranged to carry this one. Durability is terrific and they keep their bounce with no degradation in performance. Ball has a very slightly heavier feel but no negative effects on the shoulder compared to others. Very consistent performance and quality control appears to be high.
From: Art, Los Angeles, CA 07/09