


Math Boosters DecimalsThe Kumon Math Boosters series is designed to help children who either need to improve their basic math skills, or who are slightly ahead of the curve. They accomplish this by combining multiple years of curriculum in one book and following the famous step by step Kumon approach, which reduces anxiety and frustration. So whether your child needs a little extra review and reinforcement, or is ready to jump ahead to the next level, Kumon Math Boosters
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- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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★★★★★ 5
good but pricey
Size: X-Large, Color: White / Steel - 100
good materials, size fits, very soft and durable but is a bit expensive
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Great socks great price
Size: Large, Color: Black
Great socks
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Really snug, but not uncomfortable
Size: Large, Color: Black
I don't know why these were so much tighter than all the other UA socks I've bought over the years. Not uncomfortable, just really tight when putting them on.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Great quality
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Teenager loves these socks!
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Reviewed in the United States on May 22, 2026
★★★★★ 1
Leg part is TIGHT
Size: X-Large, Color: Black
I am a size 15, and the foot portion is comfortable enough, but the fit of the leg portion is so exceedingly tight that I can't wear them for long, which makes them worthless. I would return them if I didn't already toss the packaging.
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Reviewed in the United States on May 18, 2026