In 2025 follow the principle of Ninpo Ikkan with this Training T-Shirt, specifically designed to be worn comfortably under your dogi.This heavyweight cotton t-shirt is a durable staple product with a classic fit. One of the most popular items, it has a relaxed style made for everyday and casual wearSeamless double-needle collarDouble-needle sleeve and bottom hems100% cottonTaped neck and shoulders for durability