Mens Organic T-Shirts & Tops

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  • CWOSSBLTSWM-GRY-01-oss baltic sweat [mens] grey
  • CWOSSBLTSWM-GRY-01-oss baltic sweat [mens] grey
Organic T-Shirts & Tops

OSS Baltic Sweat

Outdoor swimming society organic cotton sweater
Organic cotton sweater with icy-water-inspired artwork from the Outdoor Swimming Society
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Pre-order now for despatch from . We'll keep you up-to-date with your order progress and despatch as soon as it is available.

  • 3-Year Guarantee

  • Free Delivery over $99

  • Free Returns

  • All Duties, Taxes & Tariffs Paid on UK origin products

Get it whilst it’s chilly!

We’ve teamed up with the Outdoor Swimming Society to bring you this super soft and comfy cotton sweater with aqua-inspired artwork. Ideal for layering up after a dip in the icy waters!

Features

Key Features

Vital stats

Materials

100% cotton

Origin: United Kingdom

Delivery is free over $99.

All duties and import charges are covered by Alpkit on products of UK origin. This includes the 10% universal import duty and
reciprocal tariffs, announced on the 11th April 2025. Customers who wish to proceed with a purchase can contact us directly via email at support@alpkit.com
to obtain a delivered price, inclusive of all applicable tariffs.

Men's midlayers size guide

Size chart (inches)
UK XS S M L XL XXL
Chest 34 37 40 43 46 49
Waist 28 30 32 34 36 38
Sleeve 32 33 34 35 36 36
EU 44 46 48 50 52 54
US 34 36 38 40 42 44

Size chart (cm)
UK XS S M L XL XXL
Chest 86 94 102 109 117 124
Waist 71 76 81 86 91 97
Sleeve 82 84 86 88 90 92
EU 44 46 48 50 52 54
US 34 36 38 40 42 44

How to measure

This size chart indicates the body measurements our garments are designed to fit. Measure yourself as described below and use the size chart to find your size.

Chest

Measure around your chest at the widest part. The tape measure should pass under your arms and be level from front to back.

Waist

Measure around your waist at the narrowest point.

Sleeve

With your arms relaxed by your side, tilt your head down and ask a friend to measure from the bone at the base of your neck, over your shoulder and down your arm to the fold at your wrist.

Fit Guide

Tight

Close fitting designed to conform to your body.

Slim

Slim and slightly contoured but not form fitting.

Regular

A comfortable fit that's not too tight, nor too loose.

Relaxed

A looser fit with a bit more space but not too baggy.