Rab
Rab Men's Syncrino Base Long Sleeve Tee (Syncrino 125 merino blend, Graphene)
- Weight: 8/10 How much it adds to your pack.
- Warmth: 3/10 How much the fabric insulates next to your skin. Heavier fabric is warmer and slower to dry.
Cold-weather hill walking and winter wild camps as a light next-to-skin layer
- Weight
- 162 g (M)
- Fabric weight
- 125 g/m²
- Fibre
- Blend
- Merino
- 47%
Where to buy
Rab £65 In stock. Free delivery. Graphene, size M in stock. Free UK delivery (its banner).
View at shop: RabPrices checked 8 Nov 2026 on each shop's own page; shops can change them. We earn no commission on these links; shops are listed by price. More
Our ratings (out of 10)
1 to 10, compared with the whole market. Each says what it's based on. How we score
Weight
From maker's figures 8/10How much it adds to your pack. 8: Clearly better than most.
Rab's page gives 162 g for size M. 162 g is in the 160–199 g band, which is the 4 band.
Warmth
From maker's figures 3/10How much the fabric insulates next to your skin. Heavier fabric is warmer and slower to dry. 3: Below average. Fine for some trips, not others.
Rab gives the main fabric at 125 g/m². 125 g/m² is in the 110–149 g/m² band, which is the 2 band. It is a light merino blend, not a cold-weather weight.
In short
Good for
- Cold-weather hill walking and winter wild camps as a light next-to-skin layer
- Scrambling and climbing, where its stretch helps
- Multi-day trips where a merino blend keeps smell down and dries faster than pure merino
Strengths
- 162 g in size M, light for a merino-blend long sleeve
- 47% merino with 53% polyester: the warmth and wicking of merino with the fast-drying resilience of synthetic fibres, per Rab
- Low-bulk merrow seams and set-in sleeves, per Rab
- Odour control, per Rab
Weaknesses
- 125 g/m² fabric scores only 2 for warmth: a light weight, not a winter one
- No independent test of the current version found, so comfort, odour and durability are estimates, not reviewed scores
Sources
We haven't tested this ourselves. Every score comes from these specs, tests and reviews.