Best Underwear for Boys of 2026

"My son is 5 and these Hanes underwear fit him much better than other brands. The material is extremely soft and comfortable, and the leg length keeps them from riding up. He says they're 'super soft!' Definitely 5-year-old approved."

"I got these for my 11-year-old and he absolutely loves them. The fit is perfect, and he finds them super comfortable. They hold up well after washing and don't lose their shape."

"I bought these for my grandson, and he loves them. They fit true to size and are just like Dad's style. After several washes, they're still comfy and look great."

"I purchased two sets for my kids—one for my 4.5-year-old son and another for my 3-year-old daughter. Both fit wonderfully and keep them warm whether they're in the snow or at the hockey rink. Excellent quality at this price point."

"I’m really impressed with this base layer set from Spyder. My son, who’s 13 and has long legs, often struggles with fit, but the 16-18 size fits him perfectly. He loves it so much that I ordered another. Spyder’s quality stands out, and the price is right."

"Bought these thermals for my daughter, and the sizing is just right—she’s ready for ski season. I’ll definitely keep buying these as she grows."

"I absolutely love these tank tops for my toddler. The fabric is super soft, stretchy, and breathable, which makes them a great choice for both layering and warm days. After several washes, they still look and fit like new. Excellent quality and worth every penny—definitely a staple in our wardrobe!"

"These tees are incredibly comfortable and fit perfectly. I use them for my 11-year-old to wear under shirts or even alone. The material is soft and durable, and they maintain their shape after washing. Highly recommend for any parent!"

"I got these at a great price, and they are just the right thickness—neither too sheer nor too heavy. The length is also spot on for me. Very soft, high-quality cotton, and I’m already planning to buy another pack!"

"My 7-year-old grandson absolutely adores these—they’re incredibly soft and keep him warm and comfortable all day. Though a bit pricey, I feel the quality justifies the cost."

"After trying several brands, this one stands out as the best for my 8-year-old. He loved how soft and lightweight it felt, and it kept him warm even during a Maryland winter. I do wish there were more colors and options for girls."

"These are the perfect base layer for our family’s winter adventures. We stayed extremely warm on our Colorado ski trip, thanks to their lightweight insulation and comfortable fit. They’re an excellent value for the money."

"I picked up these boxer briefs for my son and they've quickly become a daily essential. The fabric is incredibly soft and breathable, and I appreciate that the tag-free design eliminates irritation for my kid who is sensitive to textures. The fit is snug but never uncomfortable, and the waistband doesn't dig in. They hold up well after many washes—no shrinking or fading. The assorted colors make mornings a little more fun, and the sizing was spot on for us. Overall, they're a reliable and budget-friendly choice for kids' underwear."

"These underwear have been fantastic for my active little guy. They're very durable and keep their shape even after endless cycles through the wash. My son finds them easy to put on and take off himself, and he says they feel great all day. They’re also a good value for a multipack. Just note—not suitable for potty training accidents, as they're not absorbent or quick-drying, but for fully potty-trained kids, they're perfect."

"My boys are fans of these boxer briefs. They love that the material is super soft and comfortable on their skin, and I’ve noticed they fit well on athletic builds without bunching up under clothes. They always come out of the laundry looking as good as new, and the sizing is accurate. I’ll definitely be buying more."

"I’m really impressed by how light and comfortable these boxer briefs are. Even though I went a size up, they fit just right. The fabric isn't exactly like cotton, but it's super soft and feels great on the skin. They're also easy to wash and extremely breathable—definitely worth every penny. My family and I are big fans!"

"My 12-year-old son, who’s quite active, loves the look and feel of these undies. They’ve stood up to everything he’s put them through—from sports to daily wear. I appreciate the cool colors, great value, and true-to-size fit."

"These boxer briefs are soft, breathable, and exceptionally comfortable for my son to wear every day. I like that the lightweight fabric holds up well after several washes without any shrinking or fading, and the waistband is gentle on his skin. The fit is just right for my active kid!"

"I got these for my son and they’ve been absolutely perfect — soft, breathable, and they hold up extremely well even after many washes. The fit is just right for him, and he says they’re comfortable all day with no itching or riding up. I’m impressed that the waistband stays snug and doesn’t stretch out, and I'll definitely be ordering more!"

"We used these Hanes briefs during potty training and stuck with them because they’re amazing quality and so gentle on my child’s sensitive skin. Even after a year, they look and feel the same. No rashes or irritation ever, and buying a couple of packs was all we needed through training."

"I bought the 4T size for my active little one and I’m thrilled with the soft, breathable fabric and the way they keep their shape through all his adventures. The waistband fits snugly without leaving marks, and the fun patterns make getting dressed more exciting. They’ve stayed looking brand new after several washes, so I know they’ll last!"

"I've noticed these thermals are super soft and cozy, and they do a fantastic job of keeping my son warm in cold weather. The fit is just right, and he absolutely loves wearing them!"

"My child wears these under his rain and snow gear at nature school, and they make a big difference in comfort and warmth compared to regular shirts and sweats. Sizing guide was accurate and the patterns look exactly as advertised. Only thing is, I've seen a bit of pilling when used as underclothes."

"I really appreciate how lightweight and breathable these are, yet they provide plenty of warmth. The material feels exceptional, and there's been no shrinkage so far. My son wears them for skating and hockey, and even uses them as pajamas!"

"As a stay-at-home mom, I rely on these thermals to keep my toddlers comfortable and warm throughout winter. The material is thick, soft, and stretchy yet lightweight, which means my kids can play freely without feeling restricted. I also appreciate how the fabric absorbs moisture and stays snug, especially during outdoor activities. Even after numerous washes, they keep their shape and warmth—a must for daily wear. These are now my kids' go-to base layer for any cold day."

"I bought this set for my daughter to wear under her snow suit and it’s been perfect—super soft, comfortable, and fits true to size. She wears it daily as a base layer and it keeps her warm without any bulkiness. I would definitely recommend this set to other parents."

"I’m very pleased with this thermal set for my kids. The fabric is soft, breathable, and provides excellent insulation without being bulky. It’s held up great after several washes—no shrinking or losing softness. My child stays cozy all day, even after outdoor play. This set is a must-have for winter!"

"I'm thrilled with this set for my child! The fabric is incredibly soft and stretchy, and it keeps him warm without adding bulk. It’s perfect as a base layer, and my son finds it comfortable for all-day wear. The fit is spot on, and it still looks great after several washes. Fantastic value—I'll be buying more for winter!"

"I got this for my 10-year-old to wear under his soccer uniform, and the quality really impressed me. I appreciate that it covers part of his neck for extra warmth, and my son said he stayed nice and warm throughout his games."

"I love how this set includes reflectors and a high neck, which made me feel safer when my son was out trick-or-treating in the dark. The material is super soft inside, so even my son with sensory sensitivities was happy wearing it. True to size and the color matched the description perfectly!"