do these run small? what size should i get for 34b?

I run in this all the time, and do all kinds of jumping and bouncing around at the gym. I wear 36A or B (depending on how fat I am! ) and wear a Medium, and have no problems at all. It compresses where it should with out being too tight, and is super soft and stretchy. The white CAN be see through with enough sweating, as most white tops are....So I use it under a tank. I've been running for over 25 years and will never run in anything but a Champion, they're awesome and last a very very long time. Well worth it!

Are you able to wear one in water as a swimsuit?

I wouldn't. It definitely absorbs water.

Where is origin this bra?

WHERE? It's a FANTASTC sports bra!!!!!!!!!!!!!!!!!!!!

Champion Womens The Infinity Racerback Sports Bra Moderate Support Seamless

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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¥5573

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Elevate your workout game with seamless comfort and unstoppable support!

STAY COOL DRY - Advanced Double Dry fabric wicks moisture to keep you fresh through every move.
ICONIC HERITAGE STYLE - Subtle Champion 'C' logo adds a timeless, sporty edge to your activewear collection.
EFFORTLESS VERSATILITY - Lightweight racerback silhouette transitions seamlessly from gym to street style.
ALL DAY COMFORT ZERO CHAFE - Seamless design eliminates irritation for nonstop wearability.
SUPPORT THAT MOVES WITH YOU - Double-layer compression offers moderate, unrestricted support for diverse workouts.

Champion Women's The Infinity Racerback Sports Bra features a seamless, double-layer nylon-spandex blend with moisture-wicking Double Dry technology, delivering moderate compression support and breathable racerback styling. Designed for all-day comfort and versatile performance, it’s a lightweight, chafe-free essential for fitness and everyday wear.

Specifications

ASIN	B016P8D5CU
Age Range Description	Adult
Apparel Closure Orientation	Front
Apparel Closure Type	Pull-On
Apparel Fabric Stretch	Medium Stretch
Apparel Fabric Weight Class	Lightweight
Back Style	Racerback
Best Sellers Rank	#8,861 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #56 in Women's Sports Bras
Bra Cup Coverage	No Cup
Bra Design	Sports
Bra Function	Sports
Bra Padding Level	Light
Bra Shape	Sports
Brand Name	Champion
Care instructions	Machine Wash
Closure type	Pull-On
Color	Pink Bow
Customer Reviews	4.2 out of 5 stars 11,459 Reviews
Fabric Type	95% Nylon, 4% Spandex, 1% Polyester
Fabric type	95% Nylon, 4% Spandex, 1% Polyester
Fit Type	Athletic
Fit to Size Sentiment	Fits True To Size
Garment Size Country	United States
Global Trade Identification Number	00078715553326
Import Designation	Imported
Included Components	Pad
Inner Material	Nylon, Spandex
Item Type Name	Sports Bra
Item Weight	3.04 ounces
Manufacturer	Champion
Manufacturer Part Number	2900-7CY-XL
Material Opacity	Opaque
Material Type	Nylon, Polyester, Spandex
Model Name	The Infinity Racerback Sports Bra, Moderate Support, Seamless, Moisture-wicking
Neck Style	Scoop Neck
Number of Items	1
Occasion Type	Gym,Sports,Workout
Origin	Imported
Pattern	Solid
Product Care Instructions	Machine Wash
Seasons	Summer
Sleeve Length Description	Sleeveless
Sport Type	Exercise & Fitness, Running, Weightlifting, Workout & Training, Yoga
Strap Type	Racerback
Style Name	The Infinity Racerback Sports Bra, Moderate Support, Seamless, Moisture-wicking
Style Number	CPW253TX01
Support Level	Medium
Total Product Quantity	1 Count
UPC	078715553326
Underwire Type	Wire Free
Unit Count	1 Count

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