Thermal Cotton Longsleeve - Deep Black UNDERWEAR Designed with a self tie

Designed with a self tie neck detail

Side slits

or winding down for the night

The bright white colorway is ideal for warm-weather styling

Sydney is our classic stovepipe silhouette crafted from black-black comfort denim

Thermal Cotton Longsleeve - Deep Black UNDERWEAR Designed with a self tieStay cozy and cool with our thermal longsleeve. Designed with a classic fit and crafted from 100% organic cotton, its diamond structured thermal jersey fabric has been carefully recreated from a true vintage piece, capturing an authentic, timeless aesthetic. Featuring a crew neck, sleeve cuffs, and functional triangle inserts under the arms, this piece blends comfort with thoughtful details. The swan loop label on the hem adds an authentic finishing