Find Your Perfect Size & Fit

Sizing Calculator & Measurement Guide

The Muscle Fit Basics Measurements Guide

Calculate Your Perfect Size

Start by using our sizing calculator tool below to find your recommended t-shirt size. Simply input your 'height' and 'weight' and in seconds we'll be able to tell you our recommended t-shirt size for Muscle Fit Basics apparel.

After you've used the sizing calculator and calculated your "recommended size", go ahead and explore our heavyweight fitted t-shirt collection. We have an upgraded selection of crew neck and v-neck t-shirts that are handmade, tailor fitted and built to last.

Recent reviews from our customers


Perfect addition to your wardrobe

Lovely T-shirts. They have become my wardrobe staple, and nothing comes close to them with regards to fit, quality and durability. Buy one to try the size, and then load up on them. That's what I've done, and I'm pleased that I have.

Zachary Lee

Los Angeles, CA


Super fast delivery

I'm very happy with my purchase. After buying this T-shirt, I went on to buy a few in different colours. They're very well made, and most importantly, they fit well. They seem to made to last well, unlike pretty much any other T-Shirt I've bought online previously. They wash and iron well too, which is a bonus. They can be worn casually, or dressed up to make an understated yet elegant outfit. A really nice well fitting Tee and a pair of jeans can look amazing, if they're good quality and fit well. It is a versatile piece of clothing, and a wardrobe essential in my opinion. I'd highly recommend them to all.

Richard James

London, UK

Delivery & Returns

Express delivery, 30 day returns and 1 year guarantee.


Fast tracked and signed for delivery worldwide


No questions asked 30 day return policy


We will replace or repair any item with a fault